Page 1 Thermo Scientific Orion AQUAfast AQ3700 Colorimetry Meter User Guide...
Page 2 Ross and the COIL trade dress are trademarks of Thermo Fisher Scientific, Inc. and its subsidiaries. AQUAfast, AQUASensors, BOD AutoEZ, ionplus, KNIpHE, LogR, No Cal, ORION, perpHect, PerpHecT, pHISA, pHuture, Pure Water, Sage, ROSS, ROSS Ultra, Sure-Flow, Titrator PLUS, and TURBO2 are registered trademarks of Thermo Fisher Scientific, Inc. and its subsidiaries.
Page 3: Safety Precautions
The accuracy of the instrument is only valid if the instrument is used in an environment with controlled electromagnetic disturbances according to DIN 61326. Wireless devices, e.g. wireless phones, must not be used near the instrument. Thermo Scientific Orion AQUAfast AQ3700 Colorimeter User Guide...
Page 4: Table Of Contents
Table of Contents Part 1 Methods ......................7 1.1 Table of Methods .......................8 Acid demand to pH 4.3 ....................12 Alkalinity-total (Alkalinity-m, m-Value) ................14 Alkalinity-p (p-Value) ......................16 Aluminium, tablets ......................18 Aluminium, powder packs ....................20 Ammonia, tablets ......................22 Ammonia, powder packs ....................24 Ammonia, low range (LR) ....................26 Ammonia, high range (HR) ....................28 Boron ..........................30 Bromine ...........................32...
Page 5 Chlorine ....................140 PHMB (Biguanide) ......................142 Phosphate ........................144 Phosphate, ortho LR, tablets ..................146 Phosphate, ortho HR, tablets ..................148 Phosphate, ortho, powder packs ................150 Phosphate, ortho, tube test ..................152 Phosphate 1, ortho C ....................154 Thermo Scientific Orion AQUAfast AQ3700 Colorimeter User Guide...
Page 6 Saving data – Important notes ...............206 2.1.3 Replacement of batteries ................206 2.1.4 Instrument (explosion drawing) ..............207 Overview of function keys ................209 2.2.1 Overview .......................209 2.2.2 Displaying time and date ................210 2.2.3 User countdown ....................210 Thermo Scientific Orion AQUAfast AQ3700 Colorimeter User Guide...
Page 7 Part 3 Enclosure ....................253 Unpacking .....................254 Delivery contents ...................254 Technical data ....................255 Abbreviations ....................256 Troubleshooting ....................257 3.6.1 Operating messages in the display / error display ...........257 3.6.2 General ......................259 Declaration of CE-Conformity ................260 Thermo Scientific Orion AQUAfast AQ3700 Colorimeter User Guide...
Page 8 Thermo Scientific Orion AQUAfast AQ3700 Colorimeter User Guide...
Page 9: Part 1 Methods
Part 1 Methods Thermo Scientific Orion AQUAfast AQ3700 Colorimeter User Guide...
Page 10: Table Of Methods
167 DEHA PP PP + liquid 20-500 μg/l DEHA PPST 560 76 170 Fluoride L liquid 0.05-2 mg/l F SPADNS 580 78 190 Hardness, tablet 50-900 mg/l CaCO Murexide 560 80 Calcium T Thermo Scientific Orion AQUAfast AQ3700 Colorimeter User Guide...
Page 11 1.1 Methods 1.1 Table of Methods No. Analysis Reagent Range Displayed Method Page [nm] 191 Hardness, tablet 0-500 mg/l Murexide 560 88 Calcium 2, LR to T CaCO 200 Hardness, total T tablet 2-50 mg/l Metallphthalein 560 82 CaCO 201 Hardness, total tablet 20-500 mg/l...
Page 12 610 182 * = free, combined, total; PP = powder pack; T = tablet; L = liquid; TT = tube test; LR = low range; MR = middle range; HR = high range Thermo Scientific Orion AQUAfast AQ3700 Colorimeter User Guide...
Page 13 Hardness, total m-Value -> Alkalinity, total p-Value -> Alkalinity-p Silicon dioxide -> Silica total Alkalinity -> Alkalinity, total total Hardness -> Hardness, total Langelier Saturation -> Mode function 70 Index (Water Balance) Thermo Scientific Orion AQUAfast AQ3700 Colorimeter User Guide...
Page 14: Acid Demand To Ph 4.3
7. Place the vial in the sample chamber making sure that marks are aligned. Zero accepted prepare Test 8. Press TEST key. press TEST The result is shown in the display as Acid demand to pH 4.3 in mmol/l. Thermo Scientific Orion AQUAfast AQ3700 Colorimeter User Guide...
Page 15 Notes: 1. The terms total Alkalinity, Alkalinity-m, m-Value and Acid demand to pH 4.3 are identical. 2. For accurate results exactly 10 ml of water sample must be taken for the test. Thermo Scientific Orion AQUAfast AQ3700 Colorimeter User Guide...
Page 16: Alkalinity-Total (Alkalinity-M, M-Value)
7. Place the vial in the sample chamber making sure that marks are aligned. Zero accepted prepare Test 8. Press TEST key. press TEST The result is shown in the display as total Alkalinity. Thermo Scientific Orion AQUAfast AQ3700 Colorimeter User Guide...
Page 17 *Carbonate hardness (reference = Hydrogencarbonate-anions) Example: 10 mg/l CaCO = 10 mg/l x 0.056 = 0.56 mg/l °dH 10 mg/l CaCO = 10 mg/l x 0.02 = 0.2 mmol/l CaCO °dH °eH °fH °aH Thermo Scientific Orion AQUAfast AQ3700 Colorimeter User Guide...
Page 18: Alkalinity-P (P-Value)
7. Place the vial in the sample chamber making sure that the marks are aligned. Zero accepted prepare Test 8. Press TEST key. press TEST The result is shown in the display as Alkalinity-p. Thermo Scientific Orion AQUAfast AQ3700 Colorimeter User Guide...
Page 19 Hydrogen carbonate = m – 2p Carbonate = 2p Hydroxide = 0 Case 3: Alkalinity-p > 0 and Alkalinity-m < 2p Hydrogen carbonate = 0 Carbonate = 2m – 2p Hydroxide = 2p – m Thermo Scientific Orion AQUAfast AQ3700 Colorimeter User Guide...
Page 20: Aluminium, Tablets
TEST Wait for a reaction period of 5 minutes. Countdown 5:00 After the reaction period is finished the measurement starts automatically. The result is shown in the display in mg/l Aluminium. Thermo Scientific Orion AQUAfast AQ3700 Colorimeter User Guide...
Page 21 0.48 Example: If the result of Aluminium determination is 0.15 mg/l Al and the Fluoride concentration is known to be 0.4 mg/l F, the true concentration of Aluminium is 0.17 mg/l Al. Thermo Scientific Orion AQUAfast AQ3700 Colorimeter User Guide...
Page 22: Aluminium, Powder Packs
10. Close the vials tightly with the caps and swirl several times to mix the contents. Countdown 2 11. Press [ ] key. 5:00 start: Wait for a reaction period of 5 minutes. Thermo Scientific Orion AQUAfast AQ3700 Colorimeter User Guide...
Page 23 0.48 Example: If the result of Aluminium determination is 0.15 mg/l Al and the Fluoride concentration is known to be 0.4 mg/l F, the true concentration of Aluminium is 0.17 mg/l Al. Thermo Scientific Orion AQUAfast AQ3700 Colorimeter User Guide...
Page 24: Ammonia, Tablets
Wait for a reaction period of 10 minutes. Countdown 10:00 After the reaction period is finished the measurement starts automatically. The result is shown in the display in mg/l Ammonia as N. Thermo Scientific Orion AQUAfast AQ3700 Colorimeter User Guide...
Page 25 Fill the test tube with the sample to the 10 ml mark and add one level spoonful of Conditioning Powder. Mix to dissolve, then continue as described in the test instructions. 5. Conversion: mg/l NH = mg/l N x 1.29 mg/l NH = mg/l N x 1.22 Thermo Scientific Orion AQUAfast AQ3700 Colorimeter User Guide...
Page 26: Ammonia, Powder Packs
12. Place the vial (the sample) in the sample chamber making sure that the marks are aligned. Zero accepted 13. Press TEST key. prepare Test press TEST The result is shown in the display in mg/l Ammonia as N. Thermo Scientific Orion AQUAfast AQ3700 Colorimeter User Guide...
Page 27 Less common interferences such as Hydrazine and Color, Turbidity Glycine will cause intensified colors in the prepared sample. Turbidity and color will give erroneous high values. Samples with severe interferences require distillation. Thermo Scientific Orion AQUAfast AQ3700 Colorimeter User Guide...
Page 28: Ammonia, Low Range (Lr)
10. Place the vial (the sample) in the sample chamber making sure that the marks are l aligned. Zero accepted prepare Test 11. Press TEST key. press TEST The result is shown in the display in mg/l Ammonia as N. Thermo Scientific Orion AQUAfast AQ3700 Colorimeter User Guide...
Page 29 (point 1) instead of deionized water 4. Conversion: mg/l NH = mg/l N x 1.29 mg/l NH = mg/l N x 1.22 Thermo Scientific Orion AQUAfast AQ3700 Colorimeter User Guide...
Page 30: Ammonia, High Range (Hr)
10. Place the vial (the sample) in the sample chamber making sure that the marks are l aligned. Zero accepted 11. Press TEST key. prepare Test press TEST The result is shown in the display in mg/l Ammonia as N. Thermo Scientific Orion AQUAfast AQ3700 Colorimeter User Guide...
Page 31 (point 1) instead of deionized water to produce the blank. 4. Conversion: mg/l NH = mg/l N x 1.29 mg/l NH = mg/l N x 1.22 Thermo Scientific Orion AQUAfast AQ3700 Colorimeter User Guide...
Page 32: Boron
TEST Wait for a reaction period of 20 minutes. Countdown 20:00 After the reaction period is finished the measurement starts automatically. The result is shown in the display in mg/l Boron. Thermo Scientific Orion AQUAfast AQ3700 Colorimeter User Guide...
Page 33 3. Interferences are prevented by the presence of EDTA in the tablets. 4. The rate of color development depends on the temperature. The temperature of the sample must be 20°C ± 1°C. Thermo Scientific Orion AQUAfast AQ3700 Colorimeter User Guide...
Page 34: Bromine
8. Place the vial in the sample chamber making sure that marks are aligned. Zero accepted 9. Press TEST key. prepare Test press TEST The result is shown in the display in mg/l Bromine. Thermo Scientific Orion AQUAfast AQ3700 Colorimeter User Guide...
Page 35 10 ml of the diluted sample should be mixed with the reagent and the measurement repeated. Oxidizing agents such as Chlorine, Ozone etc. interfere as they react in the same way as Bromine. Thermo Scientific Orion AQUAfast AQ3700 Colorimeter User Guide...
Page 36: Chloramine (Mono) And Free Ammonia
18° and 20°C. Due to the fact that the reaction period is strongly influenced by sample temperature, you have to adjust both reaction periods according to the following table: Sample temperature Reaction period in min in °C Thermo Scientific Orion AQUAfast AQ3700 Colorimeter User Guide...
Page 37 After the reaction period is finished the measurement Countdown starts automatically. 5:00 The result is shown in the display in mg/l Monochloramine. mg/l Cl mg/l NH mg/l N Notes: See previous page. Thermo Scientific Orion AQUAfast AQ3700 Colorimeter User Guide...
Page 38 8. Close the vial tightly with the cap and invert several times to mix the contents. 9. Place the chloramine vial in the sample chamber making sure that the marks are aligned. Thermo Scientific Orion AQUAfast AQ3700 Colorimeter User Guide...
Page 39 (T2) is calculated. If T2 exceeds the range limit the following message is displayed: CL + NH > 0.5 mg/l 3. See also page 34. Thermo Scientific Orion AQUAfast AQ3700 Colorimeter User Guide...
Page 40: Chloride
TEST Wait for a reaction period of 2 minutes. Countdown After the reaction period is finished the measurement 2:00 starts automatically. The result is shown in the display in mg/l Chloride. Thermo Scientific Orion AQUAfast AQ3700 Colorimeter User Guide...
Page 41 3. Ions which also form deposits with Silver nitrate in acidic media, such as Bromides, Iodides and Thiocyanates, interfere with the analysis. 4. Highly alkaline water should - if necessary - be neutralised using Nitric acid before analysis. Thermo Scientific Orion AQUAfast AQ3700 Colorimeter User Guide...
Page 42: Chlorine
Chlorine. for the determination of total Chlorine. >> total Select the desired determination with the arrow keys [ ] and [ ]. Confirm with [ ] key. Thermo Scientific Orion AQUAfast AQ3700 Colorimeter User Guide...
Page 43 7. If ??? is displayed at a differentiated test result see page 242. Oxidizing agents such as Bromine, Ozone etc. interfere as they react in the same way as Chlorine. Thermo Scientific Orion AQUAfast AQ3700 Colorimeter User Guide...
Page 44: Differentiated Determination (Free, Combined, Total)
11. Add one DPD No. 3 tablet straight from the foil to the same water sample and crush the tablet using a clean stirring rod. 12. Close the vial tightly with the cap and swirl several times until the tablet is dissolved. Thermo Scientific Orion AQUAfast AQ3700 Colorimeter User Guide...
Page 45 The result is shown in the display in: *,** mg/l free Cl mg/l free Chlorine *,** mg/l comb Cl mg/l combined Chlorine *,** mg/l total Cl mg/l total Chlorine Notes: See page 37. Thermo Scientific Orion AQUAfast AQ3700 Colorimeter User Guide...
Page 46: Free Chlorine
8. Place the vial in the sample chamber making sure that marks are aligned. Zero accepted prepare Test 9. Press TEST key. press TEST The result is shown in the display in mg/l free Chlorine. Notes: See page 37. Thermo Scientific Orion AQUAfast AQ3700 Colorimeter User Guide...
Page 47: Total Chlorine
Wait for a reaction period of 2 minutes. press TEST Countdown 2:00 After the reaction period is finished the measurement starts automatically. The result is shown in the display in mg/l total Chlorine. Notes: See page 37. Thermo Scientific Orion AQUAfast AQ3700 Colorimeter User Guide...
Page 48: Chlorine, Liquid Reagent Differentiated Determination (Free, Combined, Total)
10. Remove the vial from the sample chamber. 11. Add 3 drops of DPD 3 solution to the same water sample. 12. Close the vial tightly with the cap and swirl several times to mix the contents. Thermo Scientific Orion AQUAfast AQ3700 Colorimeter User Guide...
Page 49 1. After use replace the bottle caps securely noting the color coding. 2. Store the reagent bottles in a cool, dry place ideally between 6°C and 10°C. 3. Also see page 37. Thermo Scientific Orion AQUAfast AQ3700 Colorimeter User Guide...
Page 50: Free Chlorine
1. After use replace the bottle caps securely noting the color coding. 2. Store the reagent bottles in a cool, dry place ideally between 6°C and 10°C. 3. Also see page 37. Thermo Scientific Orion AQUAfast AQ3700 Colorimeter User Guide...
Page 51: Total Chlorine
TEST Wait for a reaction period of 2 minutes. Countdown 2:00 After the reaction period is finished the measurement starts automatically. The result is shown in the display in mg/l total Chlorine. Thermo Scientific Orion AQUAfast AQ3700 Colorimeter User Guide...
Page 52: Chlorine, Powder Packs Differentiated Determination (Free, Combined, Total)
10. Add the contents of one Chlorine TOTAL-DPD / F10 Powder Pack straight from the foil to the water sample. 11. Close the vial tightly with the cap and swirl several times to mix the contents (approx. 20 seconds). Thermo Scientific Orion AQUAfast AQ3700 Colorimeter User Guide...
Page 53 The result is shown in the display in: *,** mg/l free Cl mg/l free Chlorine *,** mg/l comb. Cl mg/l combined Chlorine *,** mg/l total Cl mg/l total Chlorine Notes: See page 37. Thermo Scientific Orion AQUAfast AQ3700 Colorimeter User Guide...
Page 54: Free Chlorine
7. Place the vial in the sample chamber making sure that marks are aligned. Zero accepted prepare Test 8. Press TEST key. press TEST The result is shown in the display in mg/l free Chlorine. Notes: See page 37. Thermo Scientific Orion AQUAfast AQ3700 Colorimeter User Guide...
Page 55: Total Chlorine
Wait for a reaction period of 3 minutes. Countdown 3:00 After the reaction period is finished the measurement starts automatically. The result is shown in the display in mg/l total Chlorine. Notes: See page 37. Thermo Scientific Orion AQUAfast AQ3700 Colorimeter User Guide...
Page 56: Chlorine Dioxide
Chlorine dioxide in the absence >> without Cl of Chlorine. Select the desired determination with the arrow keys [ ] and [ ]. Confirm with [ ] key. Thermo Scientific Orion AQUAfast AQ3700 Colorimeter User Guide...
Page 57 5. If ??? is displayed at a differentiated test result see page 242. Oxidizing agents such as Chlorine, Ozone etc. interfere as they react in the same way as Chlorine dioxide. Thermo Scientific Orion AQUAfast AQ3700 Colorimeter User Guide...
Page 58: In Presence Of Chlorine
10. Close the vial tightly with the cap and swirl several times until the tablet is dissolved. 11. Place the vial in the sample chamber making sure that marks are aligned. Zero accepted prepare T1 press TEST 12. Press TEST key. Thermo Scientific Orion AQUAfast AQ3700 Colorimeter User Guide...
Page 59 *,** mg/l ClO as Chlorine dioxide in mg/l ClO mg/l free Chlorine *,** mg/l free Cl mg/l combined Chlorine *,** mg/l comb. Cl mg/l total Chlorine *,** mg/l total Cl Notes: See next page. Thermo Scientific Orion AQUAfast AQ3700 Colorimeter User Guide...
Page 60 2. The total Chlorine result given includes the contribution of the Chlorine dioxide (as Chlorine) reading. For true total Chlorine value subtract the Chlorine dioxide (as Chlorine) reading from the quoted total Chlorine reading. 3. Also see page 51. Thermo Scientific Orion AQUAfast AQ3700 Colorimeter User Guide...
Page 61: In Absence Of Chlorine
TEST The result is shown in the display *,** mg/l ClO [Cl] as Chlorine dioxide in mg/l Chlorine, *,** mg/l ClO as Chlorine dioxide in mg/l ClO Notes: See page 51. Thermo Scientific Orion AQUAfast AQ3700 Colorimeter User Guide...
Page 62: Chlorine Hr (Kl)
8. Place the vial in the sample chamber making sure that the marks are l aligned. Zero accepted prepare Test 9. Press TEST key. press TEST The result is shown in the display in mg/l Chlorine. Thermo Scientific Orion AQUAfast AQ3700 Colorimeter User Guide...
Page 63 1.1 Methods Notes: 1. Oxidizing agents interfere as they react in the same way as Chlorine. Thermo Scientific Orion AQUAfast AQ3700 Colorimeter User Guide...
Page 64: Low Range (Lr)
9. Place the vial (the sample (Note 3, 4)) in the sample chamber making sure that the marks are l aligned. Zero accepted prepare Test 10. Press TEST key. press TEST The result is shown in the display in mg/l COD. Thermo Scientific Orion AQUAfast AQ3700 Colorimeter User Guide...
Page 65 5. Samples can be measured when the Chloride content does not exceed 1000 mg/l. 6. In exceptional cases, compounds contained in the water cannot be oxidized adequately, so results may be lower than reference methods. Thermo Scientific Orion AQUAfast AQ3700 Colorimeter User Guide...
Page 66: Middle Range (Mr)
9. Place the vial (the sample (Note 3, 4)) in the sample chamber making sure that the marks are l aligned. Zero accepted 10. Press TEST key. prepare Test press TEST The result is shown in the display in mg/l COD. Thermo Scientific Orion AQUAfast AQ3700 Colorimeter User Guide...
Page 67 6. In exceptional cases, compounds contained in the water cannot be oxidized adequately, so results may be lower than reference methods. 7. For samples under 100 mg/l COD it is recommended to repeat the test with the tube test for COD LR. Thermo Scientific Orion AQUAfast AQ3700 Colorimeter User Guide...
Page 68: High Range (Hr)
9. Place the vial (the sample (Note 3, 4)) in the sample chamber making sure that the marks are l aligned. Zero accepted prepare Test 10. Press TEST key. press TEST The result is shown in the display in g/l COD. Thermo Scientific Orion AQUAfast AQ3700 Colorimeter User Guide...
Page 69 7. For samples under 1 g/l COD it is recommended to repeat the test with the test kit for COD MR or for samples under 0,1 g/l COD with the tube test COD LR. Thermo Scientific Orion AQUAfast AQ3700 Colorimeter User Guide...
Page 70: Colour, True And Apparent (Apha)
6. Place the vial in the sample chamber making sure that marks are aligned. Zero accepted 7. Press TEST key. prepare Test press TEST The result is shown in the display in Pt-Co units (mg/l Pt). Thermo Scientific Orion AQUAfast AQ3700 Colorimeter User Guide...
Page 71 Do not stir the sample; avoid lengthy contact with the air. The sample may be stored in a dark place at a temperature of 4 °C for 24 hours. Before performing measurements, the water sample must be brought up to room temperature. Thermo Scientific Orion AQUAfast AQ3700 Colorimeter User Guide...
Page 72: Copper, Tablets
Select the desired determination with the arrow keys [ ] and [ ]. Confirm with [ ] key. Note: 1. If ??? is displayed at the diffentiated test result see page 242. Thermo Scientific Orion AQUAfast AQ3700 Colorimeter User Guide...
Page 73: Differentiated Determination (Free, Combined, Total)
13. Press TEST key. press TEST The result is shown in the display in: *,** mg/l free Cu mg/l free Copper *,** mg/l comb Cu mg/l combined Copper *,** mg/l total Cu mg/l total Copper Thermo Scientific Orion AQUAfast AQ3700 Colorimeter User Guide...
Page 74: Free Copper
7. Place the vial in the sample chamber making sure that marks are aligned. Zero accepted 8. Press TEST key. prepare Test press TEST The result is shown in the display in mg/l free Copper. Thermo Scientific Orion AQUAfast AQ3700 Colorimeter User Guide...
Page 75: Total Copper
7. Place the vial in the sample chamber making sure that marks are aligned. Zero accepted 8. Press TEST key. prepare Test press TEST The result is shown in the display in mg/l total Copper. Thermo Scientific Orion AQUAfast AQ3700 Colorimeter User Guide...
Page 76: Copper, Powder Packs
TEST Wait for a reaction period of 2 minutes. Countdown 2:00 After the reaction period is finished the measurement starts automatically. The result is shown in the display in mg/l Copper Thermo Scientific Orion AQUAfast AQ3700 Colorimeter User Guide...
Page 77 If a turbidity remains and turns black, silver interference is likely. Add 10 drops of saturated Potassium chloride solution to 75 ml of water sample. Filtrate through a fine filter. Use 10 ml of the filtered water sample to perform test. Thermo Scientific Orion AQUAfast AQ3700 Colorimeter User Guide...
Page 78: Cyanide
TEST Wait for a reaction period of 10 minutes. Countdown 10:00 After the reaction period is finished the measurement starts automatically. The result is shown in the display in mg/l Cyanide. Thermo Scientific Orion AQUAfast AQ3700 Colorimeter User Guide...
Page 79 2. In the present of Thiocyanate, heavy metal complexes, colorants or aromatic amines, the cyanide must be separated out by distillation before analysis is performed. 3. Store the reagents in closed containers at a temperature of + 15°C to + 25°C. Thermo Scientific Orion AQUAfast AQ3700 Colorimeter User Guide...
Page 80: Cyanuric Acid
7. Place the vial in the sample chamber making sure that marks are aligned. Zero accepted prepare Test 8. Press TEST key. press TEST The result is shown in the display in mg/l Cyanuric acid. Thermo Scientific Orion AQUAfast AQ3700 Colorimeter User Guide...
Page 81 6. If “Cys” is still displayed, the new CyA test may be used but a correction multiplier of 0.8 must be multiplied manually to determine the true Cyanuric Acid concentration in the sample. The new tablet box contains a conversion factor in the box for easy reference. Thermo Scientific Orion AQUAfast AQ3700 Colorimeter User Guide...
Page 82: Deha, Tablets
10. Press TEST key. press TEST Wait for a reaction period of 10 minutes. Countdown After the reaction period is finished the measurement 10:00 starts automatically. The result is shown in the display as DEHA. Thermo Scientific Orion AQUAfast AQ3700 Colorimeter User Guide...
Page 83 Zinc 50 mg/l 6. There is an option to change the unit from mg/l to μg/l. The unit mg/l is rounded, e.g.: 25 μg/l = 0.025 mg/l display 0.03 mg/l. mg/l μg/l Thermo Scientific Orion AQUAfast AQ3700 Colorimeter User Guide...
Page 84: Deha, Powder Packs
11. Place the vial (the sample) in the sample chamber ma- king sure that the marks are aligned. Zero accepted prepare Test 12. Press TEST key. press TEST The result is shown in the display as DEHA. Thermo Scientific Orion AQUAfast AQ3700 Colorimeter User Guide...
Page 85 Zinc 50 mg/l 7. There is an option to change the unit from mg/l to μg/l. The unit mg/l is rounded, e.g.: 25 μg/l = 0.025 mg/l display 0.03 mg/l. mg/l μg/l Thermo Scientific Orion AQUAfast AQ3700 Colorimeter User Guide...
Page 86: Fluoride
Zero accepted 7. Place the vial in the sample chamber making sure that prepare Test marks are aligned. press TEST Press TEST key. The result is shown in the display in mg/l Fluoride. Thermo Scientific Orion AQUAfast AQ3700 Colorimeter User Guide...
Page 87 6. SPADNS reagent solution contains Arsenite. Chlorine concentrations up to 5 mg/l do not interfere. 7. Seawater and wastewater samples must be distilled. 8. It is convenient to use special vials with larger volume. Thermo Scientific Orion AQUAfast AQ3700 Colorimeter User Guide...
Page 88: Hardness, Calcium, Tablets
9. Place the vial in the sample chamber making sure that marks are aligned. Zero accepted 10. Press TEST key. prepare Test press TEST The result is shown in the display as Calcium Hardness. Thermo Scientific Orion AQUAfast AQ3700 Colorimeter User Guide...
Page 89 3. This method was developed from a volumetric procedure for the determination of calcium. Due to undefined conditions, the deviations from the standardized method may be greater. 4. It is convenient to use special vials with larger volume. CaCO °dH °eH °fH °aH Thermo Scientific Orion AQUAfast AQ3700 Colorimeter User Guide...
Page 90: Hardness, Calcium, Lr, Tablets
TEST Wait for a reaction period of 2 minutes. Countdown 2:00 After the reaction period is finished the measurement starts automatically. The result is shown in the display as Calcium Hardness. Thermo Scientific Orion AQUAfast AQ3700 Colorimeter User Guide...
Page 91 • Magnesium hardness up to 200 mg/l CaC0 does not interfere. • Iron concentration above 10 mg/l may cause low results. • Zinc concentration above 5 mg/l may cause high results. CaCO °dH °eH °fH °aH Thermo Scientific Orion AQUAfast AQ3700 Colorimeter User Guide...
Page 92: Hardness, Total
TEST Wait for a reaction period of 5 minutes. Countdown 5:00 After the reaction period is finished the measurement starts automatically. The result is shown in the display as total Hardness. Thermo Scientific Orion AQUAfast AQ3700 Colorimeter User Guide...
Page 93 °fH °eH 1 mg/l CaCO ---- 0.056 0.10 0.07 1 °dH 17.8 ---- 1.78 1.25 1 °fH 10.0 0.56 ---- 0.70 1 °eH 14.3 0.80 1.43 ---- CaCO °dH °eH °fH °aH Thermo Scientific Orion AQUAfast AQ3700 Colorimeter User Guide...
Page 94: Hardness, Total Hr
TEST Wait for a reaction period of 5 minutes. Countdown 5:00 After the reaction period is finished the measurement starts automatically. The result is shown in the display as total Hardness. Thermo Scientific Orion AQUAfast AQ3700 Colorimeter User Guide...
Page 95 °fH °eH 1 mg/l CaCO ---- 0.056 0.10 0.07 1 °dH 17.8 ---- 1.78 1.25 1 °fH 10.0 0.56 ---- 0.70 1 °eH 14.3 0.80 1.43 ---- CaCO °dH °eH °fH °aH Thermo Scientific Orion AQUAfast AQ3700 Colorimeter User Guide...
Page 96: Hydrazine, Powder Reagent
9. Place the vial in the sample chamber making sure that marks are aligned. Zero accepted 10. Press TEST key. prepare Test press TEST The result is shown in the display as Hydrazine. Thermo Scientific Orion AQUAfast AQ3700 Colorimeter User Guide...
Page 97 6. There is an option to change the unit from mg/l to μg/l. The unit mg/l is rounded, e.g.: 25 μg/l = 0.025 mg/l display 0.03 mg/l. mg/l μg/l Thermo Scientific Orion AQUAfast AQ3700 Colorimeter User Guide...
Page 98: Hydrazine, Liquid Reagent
11. Press TEST key. press TEST Wait for a reaction period of 12 minutes. Countdown 12:00 After the reaction period is finished the measurement starts automatically. The result is shown in the display as Hydrazine. Thermo Scientific Orion AQUAfast AQ3700 Colorimeter User Guide...
Page 99 5. There is an option to change the unit from mg/L to μg/L. The unit mg/L is rounded, e.g.: 25 μg/L = 0.025 mg/L display 0.03 mg/L. mg/l μg/l Thermo Scientific Orion AQUAfast AQ3700 Colorimeter User Guide...
Page 100: Hydrazine, Ampoule
Test press TEST Wait for a reaction period of 10 minutes. Countdown 10:00 After the reaction period is finished the measurement starts automatically. The result is shown in the display as Hydrazine. Thermo Scientific Orion AQUAfast AQ3700 Colorimeter User Guide...
Page 101 1.1 Methods Notes: 1. This method is adapted from Thermo Scientific Orion Auto-Test ampoules. 2. Read the original test instruction and the MSDS before performing the test. MSDS is available at www.thermoscientific.com/water. 3. There is an option to change the unit from mg/l to μg/l.
Page 102: Hydrogen Peroxide
TEST Wait for a reaction period of 2 minutes. Countdown 2:00 After the reaction period is finished the measurement starts automatically. The result is shown in the display in mg/l Hydrogen Peroxide. Thermo Scientific Orion AQUAfast AQ3700 Colorimeter User Guide...
Page 103 10 ml of the diluted sample should be mixed with the reagent and the measurement repeated. Oxidizing agents such as Chlorine, Ozone etc. interfere as they react in the same way as Hydrogen Peroxide. Thermo Scientific Orion AQUAfast AQ3700 Colorimeter User Guide...
Page 104: Iodine
8. Place the vial in the sample chamber making sure that marks are aligned. Zero accepted prepare Test 9. Press TEST key. press TEST The result is shown in the display in mg/l Iodine. Thermo Scientific Orion AQUAfast AQ3700 Colorimeter User Guide...
Page 105 1.1 Methods Notes: 1. Oxidizing reagents, such as Chlorine, Bromine, etc. interfere as they react in the same way as Iodine. Thermo Scientific Orion AQUAfast AQ3700 Colorimeter User Guide...
Page 106: Iron
*This information refers to analysis of the water sample without digestion. Further information can be found in the method notes. Thermo Scientific Orion AQUAfast AQ3700 Colorimeter User Guide...
Page 107 Therefore add 1 ml concentrated sulfuric acid and 1 ml concentrated nitric acid to 100 ml water sample and boil to approx. half volume. After cooling down, proceed as described above. Thermo Scientific Orion AQUAfast AQ3700 Colorimeter User Guide...
Page 108: Iron, Tablets
Wait for a reaction period of 5 minutes. press TEST Countdown After the reaction period is finished the measurement 5:00 starts automatically. The result is shown in the display in mg/l Iron. Thermo Scientific Orion AQUAfast AQ3700 Colorimeter User Guide...
Page 109 2. The IRON (II) LR tablet is used for differentiation – as described above – instead of the IRON LR tablet. 3. For the determination of total dissolved and undissolved iron digestion is required. An example is described on page 105. Thermo Scientific Orion AQUAfast AQ3700 Colorimeter User Guide...
Page 110: Iron, Powder Packs
Wait for a reaction period of 3 minutes (Note 5). Countdown 3:00 After the reaction period is finished the measurement starts automatically. The result is shown in the display in mg/l Iron. Thermo Scientific Orion AQUAfast AQ3700 Colorimeter User Guide...
Page 111 3. Very strong alkaline or acidic water samples must be adjusted to a pH value between 3 and 5 before analysis. 4. Accuracy is not affected by undissolved powder. 5. Water samples containing visible rust should be allowed to react for at least five minutes. Thermo Scientific Orion AQUAfast AQ3700 Colorimeter User Guide...
Page 112: Iron (Tptz), Powder Packs
9. Place the vial (the sample) in the sample chamber ma- king sure that the marks are aligned. Zero accepted 10. Press TEST key. prepare Test press TEST The result is shown in the display in mg/l Iron. Thermo Scientific Orion AQUAfast AQ3700 Colorimeter User Guide...
Page 113 0.25 mg/l (3+) Chromium 1.2 mg/l (6+) Cobalt 0.05 mg/l Copper 0.6 mg/l Cyanide 2.8 mg/l Manganese 50 mg/l Mercury 0.4 mg/l Molybdenum 4.0 mg/l Nickel 1.0 mg/l Nitrite Ion 0.8 mg/l Thermo Scientific Orion AQUAfast AQ3700 Colorimeter User Guide...
Page 114: Manganese, Tablets
TEST Wait for a reaction period of 5 minutes. Countdown 5:00 After the reaction period is finished the measurement starts automatically. The result is shown in the display in mg/l Manganese. Thermo Scientific Orion AQUAfast AQ3700 Colorimeter User Guide...
Page 115 1.1 Methods Note: KMnO Thermo Scientific Orion AQUAfast AQ3700 Colorimeter User Guide...
Page 116: Manganese Lr, Powder Packs
12. Place the vial (the sample) in the sample chamber making sure that the marks are aligned. Zero accepted prepare Test 13. Press TEST key. press TEST The result is shown in the display in mg/l Manganese. Thermo Scientific Orion AQUAfast AQ3700 Colorimeter User Guide...
Page 117 The turbidity should disappear after point 7. 4. Water samples containing more than 5 mg/l iron should be allowed to react for at least 10 minutes. 5. Conversion: mg/l MnO = mg/l Mn x 2.17 KMnO Thermo Scientific Orion AQUAfast AQ3700 Colorimeter User Guide...
Page 118: Manganese Hr, Powder Packs
TEST Wait for a reaction period of 2 minutes. Countdown 2:00 After the reaction period is finished the measurement starts automatically. The result is shown in the display in mg/l Manganese. Thermo Scientific Orion AQUAfast AQ3700 Colorimeter User Guide...
Page 119 Sodium hydroxide before test. Do not exceed pH 5, as manganese may precipitate. 3. Interferences: Interfering substance Interference level Calcium greater than 700 mg/l Chloride greater than 70 000 mg/l Iron greater than 5 mg/l Magnesium greater than 100 000 mg/l KMnO Thermo Scientific Orion AQUAfast AQ3700 Colorimeter User Guide...
Page 120: Molybdate, Tablets
11. Place the vial in the sample chamber making sure that marks are aligned. Zero accepted 12. Press TEST key. prepare Test press TEST The result is shown in the display in mg/l Molybdate / Molybdenum. Thermo Scientific Orion AQUAfast AQ3700 Colorimeter User Guide...
Page 121 2. Under test conditions (pH 3.8 – 3.9) iron does not interfere nor do other metals at levels likely to be found in industrial water systems. 3. Conversions: mg/l Mo = mg/l MoO x 0.6 mg/l Na = mg/l MoO x 1.3 Thermo Scientific Orion AQUAfast AQ3700 Colorimeter User Guide...
Page 122: Molybdate Hr, Powder Pack
Wait for a reaction period of 5 minutes. Countdown After the reaction period is finished the measurement 5:00 starts automatically. The result is shown in the display in mg/l Molybdate / Molybdenum. Thermo Scientific Orion AQUAfast AQ3700 Colorimeter User Guide...
Page 123 5 minutes is increased. So it is very important to perform the test procedure as described. 4. Substances which may interfere when present in concentrations at: Aluminium 50 mg/l Chromium 1000 mg/l Iron 50 mg/l Nickel 50 mg/l Nitrite all levels Thermo Scientific Orion AQUAfast AQ3700 Colorimeter User Guide...
Page 124: Nitrate
10. Place the vial (the sample) in the sample chamber making sure that the marks are l aligned. Zero accepted prepare Test 11. Press TEST key. press TEST The result is shown in the display in mg/l Nitrate. Thermo Scientific Orion AQUAfast AQ3700 Colorimeter User Guide...
Page 125 1.1 Methods Notes: 1. Some solids may not dissolve. 2. Conversion: mg/l NO = mg/l N x 4.43 Thermo Scientific Orion AQUAfast AQ3700 Colorimeter User Guide...
Page 126: Nitrite, Tablets
TEST Wait for a reaction period of 10 minutes. Countdown 10:00 After the reaction period is finished the measurement starts automatically. The result is shown in the display in mg/l Nitrite. Thermo Scientific Orion AQUAfast AQ3700 Colorimeter User Guide...
Page 127 Diazonium salt. It is unlikely in practice that these interfering ions will occur in such high concentrations that they cause significant reading errors. 2. Conversion: mg/l NO = mg/l N x 3.29 Thermo Scientific Orion AQUAfast AQ3700 Colorimeter User Guide...
Page 128: Nitrite Lr, Powder Packs
TEST Wait for a reaction period of 20 minutes. Countdown 20:00 After the reaction period is finished the measurement starts automatically. The result is shown in the display in mg/l Nitrite. Thermo Scientific Orion AQUAfast AQ3700 Colorimeter User Guide...
Page 129 • In samples with very high concentrations of Nitrate (> 100 mg/L N) a small amount of Nitrite will be found. Such high levels of Nitrate appear to undergo a slight amount of reduction to Nitrite, either spontaneously or during the reaction time of the test. Thermo Scientific Orion AQUAfast AQ3700 Colorimeter User Guide...
Page 130: Nitrogen, Total Lr Tube Test
TN Acid LR/HR vial (this is the sample). 15. Close the vials with the caps and swirl the vials gently several times to mix the contents (10 x, Note 9). (CAUTION: Vials warm up). Thermo Scientific Orion AQUAfast AQ3700 Colorimeter User Guide...
Page 131 12. Application: for water, wastewater and seawater 13. Interferences: Interfering substances that resulted in a concentration change of 10%: Bromide more than 60 mg/l and Chloride more than 1000 mg/l produce positive interferences. TN = Total Nitrogen Thermo Scientific Orion AQUAfast AQ3700 Colorimeter User Guide...
Page 132: Nitrogen, Total Hr Tube Test
TN Acid LR/HR vial (this is the sample). 15. Close the vials with the caps and swirl the vials gently several times to mix the contents (10 x, Note 9). (CAUTION: Vials warm up). Thermo Scientific Orion AQUAfast AQ3700 Colorimeter User Guide...
Page 133 12. Application: for water, wastewater and seawater 13. Interferences: Interfering substances that resulted in a concentration change of 10%: Bromide more than 60 mg/l and Chloride more than 1000 mg/l produce positive interferences. TN = Total Nitrogen Thermo Scientific Orion AQUAfast AQ3700 Colorimeter User Guide...
Page 134: Oxygen, Active, Tablets
TEST Wait for a reaction period of 2 minutes. Countdown 2:00 After the reaction period is finished the measurement starts automatically. The result is shown in the display in mg/l active Oxygen. Thermo Scientific Orion AQUAfast AQ3700 Colorimeter User Guide...
Page 135 Swimming Pool Treatment. 1. When preparing the sample, the escape of Oxygen gases, e.g. by pipetting or shaking, must be avoided. 2. The analysis must take place immediately after taking the sample. Thermo Scientific Orion AQUAfast AQ3700 Colorimeter User Guide...
Page 136: Oxygen Lr, Dissolved
Dry the outside of the vial. 8. Place the ampoule in the sample chamber. Zero accepted 9. Press TEST key. prepare Test press TEST The result is shown in the display in μg/l Oxygen. Thermo Scientific Orion AQUAfast AQ3700 Colorimeter User Guide...
Page 137 1.1 Methods Notes: 1. This method is adapted from the Thermo Scientific Orion Auto-Test ampoules. 2. Read the original test instruction and the MSDS (delivered with the test) before performing the test. MSDS also available at www.thermoscientific.com/water. Thermo Scientific Orion AQUAfast AQ3700 Colorimeter User Guide...
Page 138: Ozone
Ozone in the presence of Chlorine. >> without Cl for the determination of Ozone in the absence of Chlorine. Select the desired method with the arrow keys [ ] and [ ]. Confirm with [ ] key. Thermo Scientific Orion AQUAfast AQ3700 Colorimeter User Guide...
Page 139 6. If ??? is displayed at the diffentiated test result see page 242. Oxidizing agents such as Bromine, Chlorine etc. interfere as they react in the same way as Ozone. Thermo Scientific Orion AQUAfast AQ3700 Colorimeter User Guide...
Page 140: In Presence Of Chlorine
11. Add one DPD No. 1 tablet and one DPD No. 3 tablet straight from the foil and crush the tablets using a clean stirring rod. Thermo Scientific Orion AQUAfast AQ3700 Colorimeter User Guide...
Page 141 After the reaction period is finished the measurement 2:00 starts automatically. The result is shown in the display in: *,** mg/l O mg/l Ozone *,** mg/l total Cl mg/l total Chlorine Notes: See page 129. Thermo Scientific Orion AQUAfast AQ3700 Colorimeter User Guide...
Page 142: In Absence Of Chlorine
Wait for a reaction period of 2 minutes. Countdown 2:00 After the reaction period is finished the measurement starts automatically. The result is shown in the display in: mg/l Ozone. Notes: See page 129. Thermo Scientific Orion AQUAfast AQ3700 Colorimeter User Guide...
Page 143 Thermo Scientific Orion AQUAfast AQ3700 Colorimeter User Guide...
Page 144: Phmb (Biguanide)
7. Place the vial in the sample chamber making sure that marks are aligned. Zero accepted prepare Test 8. Press TEST key. press TEST The result is shown in the display in mg/l PHMB. Thermo Scientific Orion AQUAfast AQ3700 Colorimeter User Guide...
Page 145 3. The test result is influenced by Hardness and Total Alkalinity. The calibration of this method was done using water with the following concentration: Ca-Hardness: 200 mg/l CaCO Total Alkalinity: 120 mg/l CaCO Thermo Scientific Orion AQUAfast AQ3700 Colorimeter User Guide...
Page 146: Phosphate
0.02 – 1.6 mg/l P Determination of ortho-Phosphate ions + condensed, inorganic Phosphates Phosphate, total with Digestion Tube Test 0.02 – 1.1 mg/l P Determination of ortho-Phosphate ions + condensed, inorganic Phosphates + organically combined Phosphates Thermo Scientific Orion AQUAfast AQ3700 Colorimeter User Guide...
Page 147 100 mg/l Nickel greater than 300 mg/l Silica (Silicium dioxide) greater than 50 mg/l Silicate greater than 10 mg/l Sulfide at any level Zinc greater than 80 mg/l Phosphate, ortho = Phosphorus, reactive Thermo Scientific Orion AQUAfast AQ3700 Colorimeter User Guide...
Page 148: Phosphate, Ortho Lr, Tablets
TEST Wait for a reaction period of 10 minutes. Countdown 10:00 After the reaction period is finished the measurement starts automatically. The result is shown in the display in mg/l ortho- Phosphate. Thermo Scientific Orion AQUAfast AQ3700 Colorimeter User Guide...
Page 149 Silicates do not interfere (masked by Citric acid in the tablets). 5. see also page 137 6. Conversion: mg/l P = mg/l PO x 0.33 mg/l P = mg/l PO x 0.75 Thermo Scientific Orion AQUAfast AQ3700 Colorimeter User Guide...
Page 150: Phosphate, Ortho Hr, Tablets
TEST Wait for a reaction period of 10 minutes. Countdown After the reaction period is finished the measurement 10:00 starts automatically. The result is shown in the display in mg/l ortho- Phosphate. Thermo Scientific Orion AQUAfast AQ3700 Colorimeter User Guide...
Page 151 320 ”Phosphate LR, ortho with Tablet“. 2. Only ortho-Phosphate ions react. 3. see also page 137 4. Conversions: mg/l P = mg/l PO x 0.33 mg/l P = mg/l PO x 0.75 Thermo Scientific Orion AQUAfast AQ3700 Colorimeter User Guide...
Page 152: Phosphate, Ortho, Powder Packs
TEST Wait for a reaction period of 2 minutes. Countdown 2:00 After the reaction period is finished the measurement starts automatically. The result is shown in the display in mg/l ortho- Phosphate. Thermo Scientific Orion AQUAfast AQ3700 Colorimeter User Guide...
Page 153 1.1 Methods Notes: 1. The reagent does not dissolve completely. 2. see also page 137 3. Conversions: mg/l P = mg/l PO x 0.33 mg/l P = mg/l PO x 0.75 Thermo Scientific Orion AQUAfast AQ3700 Colorimeter User Guide...
Page 154: Phosphate, Ortho, Tube Test
TEST Wait for a reaction period of 2 minutes. Countdown After the reaction period is finished the measurement 2:00 starts automatically. The result is shown in the display in mg/l ortho- Phosphate. Thermo Scientific Orion AQUAfast AQ3700 Colorimeter User Guide...
Page 155 1. Use a funnel to add the reagent. 2. The reagent does not dissolve completely. 3. see also page 137 4. Conversions: mg/l P = mg/l PO x 0.33 mg/l P = mg/l PO x 0.75 Thermo Scientific Orion AQUAfast AQ3700 Colorimeter User Guide...
Page 156: Phosphate 1, Ortho C
TEST Wait for a reaction period of 5 minutes. Countdown 5:00 After the reaction period is finished the measurement starts automatically. The result is shown in the display in mg/l ortho-Phosphate. Thermo Scientific Orion AQUAfast AQ3700 Colorimeter User Guide...
Page 157 1.1 Methods Notes: 1. This method is adapted from Thermo Scientific Orion Auto-Test ampoules. 2. Read the original test instruction and the MSDS (delivered with the test) before performing the test. MSDS also available at www.thermoscientific.com/water. 3. Only ortho-Phosphate ions react.
Page 158: Phosphate 2, Ortho C, Tablets
TEST Wait for a reaction period of 3 minutes. Countdown 3:00 After the reaction period is finished the measurement starts automatically. The result is shown in the display in mg/l ortho-Phosphate. Thermo Scientific Orion AQUAfast AQ3700 Colorimeter User Guide...
Page 159 1.1 Methods Notes: 1. This method is adapted from Thermo Scientific Orion Auto-Test ampoules. 2. Read the original test instruction and the MSDS (delivered with the test) before performing the test. MSDS also available at www.thermoscientific.com/water. 3. Only ortho-Phosphate ions react.
Page 160: Phosphate, Hydrolyzable, Tube Test
Wait for a reaction period of 2 minutes. After the reaction period is finished the measurement Countdown starts automatically. 2:00 The result is shown in the display in mg/l acid hydrolyzable Phosphate. Thermo Scientific Orion AQUAfast AQ3700 Colorimeter User Guide...
Page 161 2. Use a funnel to add the reagent. 3. The reagent does not dissolve completely. 4. see also page 137 5. Conversions: mg/l PO = mg/l P x 3.07 mg/l P = mg/l P x 2.29 Thermo Scientific Orion AQUAfast AQ3700 Colorimeter User Guide...
Page 162: Phosphate, Total, Tube Test
TEST Wait for a reaction period of 2 minutes. Countdown After the reaction period is finished the measurement 2:00 starts automatically. The result is shown in the display in mg/l total Phosphate. Thermo Scientific Orion AQUAfast AQ3700 Colorimeter User Guide...
Page 163 2. Use a funnel to add the reagent. 3. The reagent does not dissolve completely. 4. see also page 137 5. Conversions: mg/l PO = mg/l P x 3.07 mg/l P = mg/l P x 2.29 Thermo Scientific Orion AQUAfast AQ3700 Colorimeter User Guide...
Page 164: Phosphonate
11. Add the contents of one Vario Phosphate Rgt. F10 Powder Pack straight from the foil into each vial (blank and sample). 12. Close the vials tightly with the cap and swirl gently several times (30 sec.). (Note 6) Thermo Scientific Orion AQUAfast AQ3700 Colorimeter User Guide...
Page 165 7. The given reaction time of 2 minutes refers to a water sample temperature of more than 15 °C. At a sample temperature of lower than 15 °C a reaction time of 4 minutes is required. Tables: see next page Thermo Scientific Orion AQUAfast AQ3700 Colorimeter User Guide...
Page 166 0 – 5.0 0 – 12.5 0 – 25 0 – 125 Table 2: Phosphonate type Conversion factor for active phosphonate PBTC 2.840 1.050 HEDPA 1.085 EDTMPA 1.148 HMDTMPA 1.295 DETPMPA 1.207 1.490 Thermo Scientific Orion AQUAfast AQ3700 Colorimeter User Guide...
Page 167 Sulfate 2000 mg/l Sulfide interferes at all concentrations Sulfite 100 mg/l Thiourea 10mg/l highly buffered samples may exceed the buffering capacity of the or extreme sample pH reagents and require sample pretreatment Thermo Scientific Orion AQUAfast AQ3700 Colorimeter User Guide...
Page 168: Ph-Value Lr , Tablets
7. Place the vial in the sample chamber making sure that marks are aligned. Zero accepted prepare Test 8. Press TEST key. press TEST The result is shown in the display as pH-value. Thermo Scientific Orion AQUAfast AQ3700 Colorimeter User Guide...
Page 169 – 0.26 – 0.33 – 0.31 The values of Parson and Douglas (1926) are based on the use of Clark and Lubs buffers. 1 Mol NaCl = 58.4 g/l = 5.8 % Thermo Scientific Orion AQUAfast AQ3700 Colorimeter User Guide...
Page 170: Ph-Value, Tablets
7. Place the vial in the sample chamber making sure that marks are aligned. Zero accepted 8. Press TEST key. prepare Test press TEST The result is shown in the display as pH-value. Thermo Scientific Orion AQUAfast AQ3700 Colorimeter User Guide...
Page 171 – 0.21 – 0.26 – 0.29 The values of Parson and Douglas (1926) are based on the use of Clark and Lubs buffers. 1 Mol NaCl = 58.4 g/l = 5.8 % Thermo Scientific Orion AQUAfast AQ3700 Colorimeter User Guide...
Page 172: Ph-Value, Liquid Reagent
7. Place the vial in the sample chamber making sure that marks are aligned. Zero accepted prepare TEST 8. Press TEST key. press Test The result is shown in the display as pH-value. Thermo Scientific Orion AQUAfast AQ3700 Colorimeter User Guide...
Page 173 This can be minimised by using a pipette (0.18 ml PHENOLRED solution is equivalent to 6 drops). 3. After use replace the bottle cap securely. 4. Store the reagent in a cool, dry place ideally at between 6°C and 10°C. Thermo Scientific Orion AQUAfast AQ3700 Colorimeter User Guide...
Page 174: Ph-Value Hr, Tablets
7. Place the vial in the sample chamber making sure that marks are aligned. Zero accepted prepare TEST 8. Press TEST key. press Test The result is shown in the display as pH-value. Thermo Scientific Orion AQUAfast AQ3700 Colorimeter User Guide...
Page 175 – 0.22 – 0.29 – 0.34 The values of Parson and Douglas (1926) are based on the use of Clark and Lubs buffers. 1 Mol NaCl = 58.4 g/l = 5.8 % Thermo Scientific Orion AQUAfast AQ3700 Colorimeter User Guide...
Page 176: Potassium
7. Place the vial in the sample chamber making sure that marks are aligned. Zero accepted 8. Press TEST key. prepare Test press TEST The result is shown in the display in mg/l Potassium. Thermo Scientific Orion AQUAfast AQ3700 Colorimeter User Guide...
Page 177 1.1 Methods Notes: 1. If Potassium is present a cloudy solution will appear. Single particles are not necessarily caused by Potassium. Thermo Scientific Orion AQUAfast AQ3700 Colorimeter User Guide...
Page 178: Silica, Tablets
TEST Wait for a reaction period of 1 minute. Countdown After the reaction period is finished the measurement 1:00 starts automatically. The result is shown in the display in mg/l Silica. Thermo Scientific Orion AQUAfast AQ3700 Colorimeter User Guide...
Page 179 2. Phosphate ions do not interfere under the given reaction conditions. 3. If Phosphate is known to be absent, the addition of the SILICA PR tablet may be omitted. 4. Conversion: mg/l Si = mg/l SiO x 0.47 Thermo Scientific Orion AQUAfast AQ3700 Colorimeter User Guide...
Page 180: Silica Lr, Powder Packs
9. Add the contents of one Silica LR Amino Acid F F10 Powder Pack straight from the foil into the vial (the sample). 10. Close the vial tightly with the cap and swirl several times to mix the contents. Thermo Scientific Orion AQUAfast AQ3700 Colorimeter User Guide...
Page 181 A pre-treatment with Sodium hydrogencarbonate and then with Sulfuric Acid will make these forms reactive to Molybdate (pre-treatment is given in “Standard Methods for the Examination of Water and Wastewater” under “ Silica Digestion with Sodium Bicarbonate”). Thermo Scientific Orion AQUAfast AQ3700 Colorimeter User Guide...
Page 182: Silica Hr, Powder Packs
TEST Wait for a reaction period of 2 minutes. Countdown After the reaction period is finished the measurement 2:00 starts automatically. The result is shown in the display in mg/l Silica. Thermo Scientific Orion AQUAfast AQ3700 Colorimeter User Guide...
Page 183 A pre-treatment with Sodium hydrogencarbonate and then with Sulfuric Acid will make these forms reactive to Molybdate (pre-treatment is given in “Standard Methods for the Examination of Water and Wastewater” under “ Silica Digestion with Sodium Bicarbonate”). Thermo Scientific Orion AQUAfast AQ3700 Colorimeter User Guide...
Page 184: Sodium Hypochlorite
6. Add one ACIDIFYING GP tablet straight from the foil to the same water sample and crush the tablet using a clean stirring rod. 7. Close the vial tightly with the cap and swirl several times until the tablets are dissolved. Thermo Scientific Orion AQUAfast AQ3700 Colorimeter User Guide...
Page 185 3. This method provides a fast and simple test. The test can be performed on site but the result will not be as precise as a laboratory method. 4. By strictly following the test procedure, an accuracy of +/- 1 weight % can be achieved. Thermo Scientific Orion AQUAfast AQ3700 Colorimeter User Guide...
Page 186: Sulfate, Tablets
7. Place the vial in the sample chamber making sure that marks are aligned. Zero accepted 8. Press TEST key. prepare Test press TEST The result is shown in the display in mg/l Sulfate. Thermo Scientific Orion AQUAfast AQ3700 Colorimeter User Guide...
Page 187 1.1 Methods Notes: 1. If Sulfate is present a cloudy solution will appear. Thermo Scientific Orion AQUAfast AQ3700 Colorimeter User Guide...
Page 188: Sulfate, Powder Packs
Wait for a reaction period of 5 minutes. press TEST Countdown 5:00 After the reaction period is finished the measurement starts automatically. The result is shown in the display in mg/l Sulfate. Thermo Scientific Orion AQUAfast AQ3700 Colorimeter User Guide...
Page 189 1.1 Methods Note: 1. If Sulfate ions are present a cloudy solution will appear. Thermo Scientific Orion AQUAfast AQ3700 Colorimeter User Guide...
Page 190: Sulfide
TEST Wait for a reaction period of 10 minutes. Countdown 10:00 After the reaction period is finished the measurement starts automatically. The result is shown in the display in mg/l Sulfide. Thermo Scientific Orion AQUAfast AQ3700 Colorimeter User Guide...
Page 191 4. The sample temperature should be 20°C. A different temperature can lead to higher or lower results. 5. Conversion: S = mg/l S x 1.06 Thermo Scientific Orion AQUAfast AQ3700 Colorimeter User Guide...
Page 192: Sulfite
TEST Wait for a reaction period of 5 minutes. Countdown After the reaction period is finished the measurement 5:00 starts automatically. The result is shown in the display in mg/l Sulfite. Thermo Scientific Orion AQUAfast AQ3700 Colorimeter User Guide...
Page 193 1.1 Methods Notes: Thermo Scientific Orion AQUAfast AQ3700 Colorimeter User Guide...
Page 194: Suspended Solids
6. Place the vial in the sample chamber making sure that marks are aligned. 7. Press TEST key. Zero accepted prepare Test The result is shown in the display in mg/l TSS (Total press TEST Suspended Solids). Thermo Scientific Orion AQUAfast AQ3700 Colorimeter User Guide...
Page 195 5. Interferences: • Air bubbles interfere and can be removed by swirling the vial gently. • Color interferes if light is absorbed at 660 nm. Thermo Scientific Orion AQUAfast AQ3700 Colorimeter User Guide...
Page 196: Turbidity
7. Place the vial in the sample chamber making sure that marks are aligned. Zero accepted 8. Press TEST key. prepare Test press TEST The result is shown in the display in FAU. Thermo Scientific Orion AQUAfast AQ3700 Colorimeter User Guide...
Page 197 4. Color interferes if light is absorbed at 530 nm. For strong colored water samples a filtered portion of the sample can be used for zeroing instead of the deionized water. 5. Air bubbles interfere and can be removed using an ultrasonic bath. Thermo Scientific Orion AQUAfast AQ3700 Colorimeter User Guide...
Page 198: Urea
11. Add one AMMONIA No. 2 tablet straight from the foil to the same water sample and mix to dissolve with a clean stirring rod. Thermo Scientific Orion AQUAfast AQ3700 Colorimeter User Guide...
Page 199 8. Fill the vial with drops of the same size by holding the bottle vertically and squeeze slowly. 9. Due to the reagent’s storage and shipping requirements, this reagent is not available in many locations. Thermo Scientific Orion AQUAfast AQ3700 Colorimeter User Guide...
Page 200: Zinc
9. Place the vial in the sample chamber making sure that marks are aligned. Zero accepted 10. Press TEST key. press ZERO press TEST The result is shown in the display in mg/l Zinc. Thermo Scientific Orion AQUAfast AQ3700 Colorimeter User Guide...
Page 201 To dechlorinate add one DECHLOR tablet to the water sample (point 1). Crush and mix to dissolve the tablet. Then add the COPPER / ZINC LR tablet (point 2) and continue with the test procedure as described above. Thermo Scientific Orion AQUAfast AQ3700 Colorimeter User Guide...
Page 202: Important Notes
After use replace the bottle caps securely noting the color coding. Note recommendation for storage (e.g. cool and dry). Powder Packs: Ampoules: Ampoules should be stored in the dark and at room temperature. For further information see MSDS. Thermo Scientific Orion AQUAfast AQ3700 Colorimeter User Guide...
Page 203: Cleaning Vials And Accessories For Analysis
5. The vial sealing ring is not required in most operating conditions. Correct position of the vial (Ø 24 mm): Sealing ring Thermo Scientific Orion AQUAfast AQ3700 Colorimeter User Guide...
Page 204 11. To avoid errors caused by stray light do not use the instrument in bright sunlight. Correct filling of the vial: Insertion of the adapter: adapter 16 mm Ø adapter 13 mm Ø Thermo Scientific Orion AQUAfast AQ3700 Colorimeter User Guide...
Page 205: Sample Dilution Techniques
10 mg/l. Total volume = 100 ml + 5 ml = 105 ml Correction factor = 105 ml / 100 ml = 1.05 Corrected result = 10 mg/l x 1.05 = 10.5 mg/l Thermo Scientific Orion AQUAfast AQ3700 Colorimeter User Guide...
Page 206 Thermo Scientific Orion AQUAfast AQ3700 Colorimeter User Guide...
Page 207: Part 2 Operating Manual
Part 2 Instrument Manual Thermo Scientific Orion AQUAfast AQ3700 Colorimeter User Guide...
Page 208: Operation
Check the seal ring (E) of the notch to make sure if is tight-fitting 9. Tighten the screws carefully. CAUTION Dispose of used batteries in accordance with all federal, state and local regulations. Thermo Scientific Orion AQUAfast AQ3700 Colorimeter User Guide...
Page 209: Instrument (Explosion Drawing)
(C) notch (D) batteries CAUTION: To ensure that the instrument is water proof: • seal ring (E) must be in position • battery compartment cover (B) must be fixed with the four screws Thermo Scientific Orion AQUAfast AQ3700 Colorimeter User Guide...
Page 210 Thermo Scientific Orion AQUAfast AQ3700 Colorimeter User Guide...
Page 211: Overview Of Function Keys
Menu of meter settings and further functions Mode Moving the cursor “>>” up or down Storing of displayed test result Store Performing Zero Zero Performing Test Test Displaying date and time / user countdown Decimal point Thermo Scientific Orion AQUAfast AQ3700 Colorimeter User Guide...
Page 212: Displaying Time And Date
2 minutes, 0 seconds = [Shift] + [0][2][0][0]. Confirm with [ ] key. Countdown The display shows: 02:00 Start countdown with [ ] key. start: After countdown has finished the meter reverts to the previous display automatically. Thermo Scientific Orion AQUAfast AQ3700 Colorimeter User Guide...
Page 213: Operation Mode
0.02-6 mg/l Cl Line 3: Kind of reagent Tablet 24 mm Line 4: Vial DPD No 1 Line 5-7: Used reagent DPD No 3 tube = reagent vial contained in tube test Thermo Scientific Orion AQUAfast AQ3700 Colorimeter User Guide...
Page 214: Chemical Species Information Chemical Species Information
Prepare a clean vial as described in “Method“ and place the vial in the sample chamber making sure that the marks are aligned. Zero Press [ZERO] key. Zero accepted prepare Test The display shows: press TEST Thermo Scientific Orion AQUAfast AQ3700 Colorimeter User Guide...
Page 215: Performing Test
In this case the operator is responsible for ensuring the necessary reaction period. Non-compliance with reaction periods leads to incorrect test results. 2. The time remaining is displayed continuously. The beeper indicates the last 10 seconds. Thermo Scientific Orion AQUAfast AQ3700 Colorimeter User Guide...
Page 216: Changing Chemical Species
[ ] directly. (The assignment for the Code No. is then 0 automatically.) The entire data set is stored with date, time, Code No., method and test result. The display shows: Stored! The test result is then shown again. Thermo Scientific Orion AQUAfast AQ3700 Colorimeter User Guide...
Page 217: Printing Results
Note: The display shows the number of free data sets. Storage: 900 free records left If there are less than 30 data sets free the display shows: Storage: only 29 free records left Clear the memory as soon as possible (see “Deleting stored results”).
Page 218: Selecting A New Method
Test press TEST Carry out measurement of the sample. 500 mAbs The display shows e.g.: TIP: To ensure complete reaction times the user countdown may be helpful (chapter 2.2.3, page 194). Thermo Scientific Orion AQUAfast AQ3700 Colorimeter User Guide...
Page 219: Meter Settings
Displaying only results of a selected time period Stor., method Displaying only results of one selected method System info Information about the instrument e.g. current software version Temperature Selection of °C or °F for Langelier Mode 70 Thermo Scientific Orion AQUAfast AQ3700 Colorimeter User Guide...

Page 220: Instrument Basic Settings 1
Confirm with [ ] key. The display shows: <Language> Deutsch >> English Press arrow key [ ] or [ ] to select the required language Francais from the displayed list. Confirm with [ ] key. Thermo Scientific Orion AQUAfast AQ3700 Colorimeter User Guide...
Page 221: Setting Date And Time
Enter hours and minutes 06-05-14 15:07 e.g.: 3.07 p.m. = [Shift] + [1][5][0][7] Confirm with [ ] key. Note: While confirming date and time with [ ] key the seconds are adjusted to zero automatically. Thermo Scientific Orion AQUAfast AQ3700 Colorimeter User Guide...
Page 222 The “user countdown” is also available if the countdown is switched off. 2. If the countdown function is switched off, the operator is responsible for ensuring the necessary reaction period. Non-compliance with reaction periods leads to incorrect test results. Thermo Scientific Orion AQUAfast AQ3700 Colorimeter User Guide...
Page 223 Confirm with [ ] key. Note: In the case of methods with reaction periods, an acoustic signal still sounds during the last 10 seconds of the countdown even if the key beep is switched off. Thermo Scientific Orion AQUAfast AQ3700 Colorimeter User Guide...
Page 224: Printing Of Stored Results
Test No.: After printing the meter goes back to <Mode-Menu> automatically. Note: It is possible to cancel the entry by [ESC]. All stored data are printed out. See chapter 2.5.1 Data Printing. Thermo Scientific Orion AQUAfast AQ3700 Colorimeter User Guide...
Page 225 After printing the meter goes back to mode menu auto- matically. Note: It is possible to cancel the entry by [ESC]. If you want to print only results of one day enter the same date twice to determine the period. Thermo Scientific Orion AQUAfast AQ3700 Colorimeter User Guide...
Page 226 If you want to print only results of one code number enter the same code number twice. If you want to print all results without code no. (code no. is 0) enter Zero [0] twice. Thermo Scientific Orion AQUAfast AQ3700 Colorimeter User Guide...
Page 227 Press [ ] key and all stored results of the selected method cancel: ESC are printed. After printing the meter goes back to mode menu auto- matically. Note: It is possible to cancel the entry by [ESC]. Thermo Scientific Orion AQUAfast AQ3700 Colorimeter User Guide...
Page 228 Flow Control will be set to the selection displayed at “is“. Press [Shift] + [2] key to select ”Baud rate”. <Baud rate> The display shows: is: 19200 select: [ ] [ ] save: cancel: Thermo Scientific Orion AQUAfast AQ3700 Colorimeter User Guide...
Page 229 Press arrow key [ ] to display the following test result. • Press arrow key [ ] to display the previous test result. no data If there are no test results in memory the display shows: Thermo Scientific Orion AQUAfast AQ3700 Colorimeter User Guide...
Page 230: Recall / Delete Stored Results
End with [ESC]. Note: It is possible to cancel the entry by [ESC]. If you want to recall only results of one day enter the same date twice to determine the time period. Thermo Scientific Orion AQUAfast AQ3700 Colorimeter User Guide...
Page 231 If you want to recall only results of one code number enter the same code number twice. If you want to recall all results without code no. (code no. is 0) enter Zero [0] twice. Thermo Scientific Orion AQUAfast AQ3700 Colorimeter User Guide...
Page 232 Start: cancel: ESC print: F3 • Press [F3] key to print the displayed result. print all: F2 • Press [F2] key to print all selected results. • End with [ESC]. Thermo Scientific Orion AQUAfast AQ3700 Colorimeter User Guide...
Page 233 1. Fill a clean vial (24 mm Ø) with exactly 10 ml Zero: deionized water of deionised water, close tightly with the cap. press ZERO 2. Place the vial in the sample chamber making sure that the marks are aligned. Thermo Scientific Orion AQUAfast AQ3700 Colorimeter User Guide...
Page 234 10 ml resp. 2 ml volumetric pipette (class A). Error, absorbance If an error message appears please repeat adjustment. T2>T1 Thermo Scientific Orion AQUAfast AQ3700 Colorimeter User Guide...
Page 235: User Calibration
70-150 mg/l Cl Chlorine dioxide Calibration with basic test 100 Chlorine free COD LR 100 mg/l O COD MR 500 mg/l O COD HR 5 g/l O = 5000mg/lO Copper T 0.5-1.5 mg/l Cu Thermo Scientific Orion AQUAfast AQ3700 Colorimeter User Guide...
Page 236 Phosphate 1, ortho C 20-30 mg/l PO Phosphate 2, ortho C 1-3 mg/l PO Phosphate, total TT 0.3-6 mg/l P Phosphate, hydr. TT 0.3-0.6 mg/L P Potassium 3 mg/l K Silica 0.5-1.5 mg/l SiO Thermo Scientific Orion AQUAfast AQ3700 Colorimeter User Guide...
Page 237 Jus Factor The display shows: saved Chlorine T Now the method name is displayed inverse and the test result 0.02-6 mg/l Cl2 is calculated with the new calibration factor. 1.00 mg/l free Cl2 Thermo Scientific Orion AQUAfast AQ3700 Colorimeter User Guide...
Page 238 YES: 1, NO: 0 Press [Shift] + [1] key to delete user calibration. Press [Shift] + [0] key to keep the valid user calibration. The instrument goes back to Zero-query automatically. Thermo Scientific Orion AQUAfast AQ3700 Colorimeter User Guide...
Page 239: Lab Function
Storage of test results is possible. When results are stored the display also shows “Profi-Mode” . The selected settings are kept by the meter even whein it is switched off. To change meter setting a new setting is required. Thermo Scientific Orion AQUAfast AQ3700 Colorimeter User Guide...
Page 240: User Operations
If only a few methods are required it is recommended to perform Mode 62 first, followed by Mode 60. All user Polynomials (1-25) and Concentrations (1-10) are displayed in the method list, although they are not programmed by the user. Non-programmed user methods can’t be activated! Thermo Scientific Orion AQUAfast AQ3700 Colorimeter User Guide...
Page 241 Press [Shift] + [1] key to display only one method in the method selection list. • Press [Shift] + [0] key to keep the valid method selection list. The instrument goes back to mode menu automatically. Thermo Scientific Orion AQUAfast AQ3700 Colorimeter User Guide...
Page 242 Enter the required wavelength, e.g.: [Shift] + [2] for 560 nm. Press [ ] or [ ] keys to select the required unit. choose unit: >> mg/l mmol/l mAbs µg/l Confirm with [ ] key. Thermo Scientific Orion AQUAfast AQ3700 Colorimeter User Guide...
Page 243 Enter the concentration of the second standard; S2: +________ e.g.: [Shift] + [0][.] [1] | ESC | F1 • One step back with [ESC]. • Press [F1] key to reset numerical input. Confirm with [ ] key. Thermo Scientific Orion AQUAfast AQ3700 Colorimeter User Guide...
Page 244 Press [MODE], [Shift] + [6][5] keys. Mode Confirm with [ ] key. The display shows: <User polynoms> choose no.: ____ (800-824) Enter a method number in the range from 800 to 824, e.g.: [Shift] + [8][0][0] Thermo Scientific Orion AQUAfast AQ3700 Colorimeter User Guide...
Page 245 • Press [ ] or [ ] key to change between plus and minus Min mAbs: +________ sign. Max mAbs: +________ • Enter the values in Absorbance (mAbs) for the upper limit (Max) and the lower limit (Min). Confirm every input with [ ] key. Thermo Scientific Orion AQUAfast AQ3700 Colorimeter User Guide...
Page 246 Save all your polynomial data in a written form because in case of power outage (e.g. changing the battery) all polynomial data will be lost and must be entered again. You might want to use Mode 67 to transfer all polynomial data to a PC. Thermo Scientific Orion AQUAfast AQ3700 Colorimeter User Guide...
Page 247 • Press [Shift] + [1] key to delete the selected User Method. • Press [Shift] + [0] key to keep the valid User Method. The instrument goes back to mode menu automatically. Thermo Scientific Orion AQUAfast AQ3700 Colorimeter User Guide...
Page 248 Press [ ] key to print out the data (e.g. wavelength, unit, ...) of all stored User Methods. M800 The display shows e.g.: M803 After data transfer the meter goes back to mode menu automatically. Thermo Scientific Orion AQUAfast AQ3700 Colorimeter User Guide...
Page 249 YES: 1, NO: 0 • Press [Shift] + [1] key to start initialisation. • Press [Shift] + [0] key to to cancel without initialisation. The instrument goes back to mode menu automatically. Thermo Scientific Orion AQUAfast AQ3700 Colorimeter User Guide...
Page 250: Special Functions
The display shows: 0<=TDS<=6000 +_ _ _ _ Enter the value for TDS (Total Dissolved Solids) in the range between 0 and 6000 mg/l and confirm with [ ] key. Thermo Scientific Orion AQUAfast AQ3700 Colorimeter User Guide...
Page 251 The display shows: 1: °C 2: °F Press [Shift] + [1] key to select degree Celsius. Press [Shift] + [2] key to select degree Fahrenheit. The instrument goes back to mode menu automatically. Thermo Scientific Orion AQUAfast AQ3700 Colorimeter User Guide...
Page 252: Instrument Basic Settings 2
, cancel: Esc Press arrow key [ ] to display the number of performed tests and free memory capacity. <System-Info> Number of Tests: free records left Finish with [ESC] key. cancel: Esc Thermo Scientific Orion AQUAfast AQ3700 Colorimeter User Guide...
Page 253: Data Transfer
If the update procedure is interrupted (eg. interruption of connection, LoBat., etc.) the instrument isn´t able to work (no display). The instrument will only work again after completing the data transfer. RJ 45 connector Thermo Scientific Orion AQUAfast AQ3700 Colorimeter User Guide...
Page 254 Thermo Scientific Orion AQUAfast AQ3700 Colorimeter User Guide...
Page 255: Part 3 Enclosure
Part 3 Enclosure Thermo Scientific Orion AQUAfast AQ3700 Colorimeter User Guide...
Page 256: Unpacking
Stirring rod, plastic Reagent sets, IRIM module and connection cable with integrated electronic system are not part of the standard scope of delivery. Please see www.thermoscientific.com/water for details of available reagent kits. Thermo Scientific Orion AQUAfast AQ3700 Colorimeter User Guide...
Page 257: Technical Data
Storage capaity ca. 1000 data sets * measured with standard solutions Subject to technical modification! To ensure maximum accuracy of test results, always use the reagent systems supplied by the instrument manufacturer. Thermo Scientific Orion AQUAfast AQ3700 Colorimeter User Guide...
Page 258: Abbreviations
Low Range Medium Range High Range Reagents from Chemetrics © Liquid reagent Powder (reagent) Powder Pack Tablet Tube Test DEHA N,N-Diethylhydroxylamine Diethyl-p-phenylendiamine DTNB Ellmans reagent 1-(2-Pyridylazo)-2-napthol PDMAB Paradimethylaminobenzaldehyde PPST 3-(2-Pyridyl)-5,6-bis(4-phenylsulfonic acid)1,2,4-triazine TPTZ 2,4,6-Tri-(2-Pyridyl)-1,3,5-triazine Thermo Scientific Orion AQUAfast AQ3700 Colorimeter User Guide...
Page 259: Troubleshooting
Zero not Light absorption Refer to chapter 2.3.4 accepted is too great or too low Performing Zero (page 196) Clean sample chamber. Repeat zeroing. Thermo Scientific Orion AQUAfast AQ3700 Colorimeter User Guide...
Page 260 Cl The instrument is not able Overrange to calculate the combined Chlorine. The test should be repeated with a diluted sample. Error absorbance Fluoride calibration was not Repeat calibration e.g.: T2>T1 correct Thermo Scientific Orion AQUAfast AQ3700 Colorimeter User Guide...
Page 261: General
Profi-Mode off with Mode 50. It seems that a method Method is not activated in Activate the required method is not available. the user method list. in the user method list with Mode 60. Thermo Scientific Orion AQUAfast AQ3700 Colorimeter User Guide...
Page 262: Declaration Of Ce-Conformity
This product conforms to the regulations of the directive 2004/108/EG of the European Parliament and the Council of 2004, December the 15th. Patrick Chiu Place and Date of Issue: Senior Quality Engineer, Beverly, MA Regulatory Compliance July 10, 2009 Thermo Scientific Orion AQUAfast AQ3700 Colorimeter User Guide...
Page 264 Water Analysis Instruments North America 9 0 0 1 : 2 0 0 8 166 Cummings Center Beverly, MA 01915 USA Toll Free: 1-800-225-1480 Tel: 1-978-232-6000 info.water@thermo.com Netherlands Tel: (31) 033-2463887 info.water.uk@thermo.com India Tel: (91) 22-4157-8800 wai.asia@thermofisher.com Japan Tel: (81) 045-453-9175 wai.asia@thermofisher.com China Tel: (86) 21-68654588...

Thermo Scientific AQUAfast AQ3700 User Manual

Table of Contents

Part 1 Methods

Table of Methods

Important Notes

Part 2 Operating Manual

Operation

Overview of Function Keys

Operation Mode

Meter Settings <Mode Menu

Data Transfer

Part 3 Enclosure

Quick Links

Related Manuals for Thermo Scientific AQUAfast AQ3700

Summary of Contents for Thermo Scientific AQUAfast AQ3700

Table of Contents