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LaMotte SMART3 Soil Operator's Manual

Colorimeter
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1985-05-MN-V3
9.20
Warning! This set contains chemicals
that may be harmful if misused. Read
cautions on individual containers
carefully. Not to be used by children
except under adult supervision.
1985-05-MN-V3.indd
SMART3
Colorimeter
Operator's
Manual
Firmware Version 2.10
802 Washington Ave • Chestertown • MD • 21620
800-344-3100 • 410-778-3100
www.lamotte.com
Soil

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Summary of Contents for LaMotte SMART3 Soil

  • Page 1 Warning! This set contains chemicals that may be harmful if misused. Read cautions on individual containers carefully. Not to be used by children except under adult supervision. 802 Washington Ave • Chestertown • MD • 21620 800-344-3100 • 410-778-3100 www.lamotte.com 1985-05-MN-V3.indd...

  • Page 3: Table Of Contents

    ƒ The Display & the Menus ......................... 19 TESTING ƒ Testing Menu ............................21 ƒ General Testing Procedures ......................22 ƒ Testing With LaMotte Pre-Programmed Tests ................22 ƒ Calibrating LaMotte Pre-Progammed Tests ................24 ƒ Measuring in the Absorbance Mode ....................28 EDITING MENU ƒ...
  • Page 4 ƒ Selecting the Vial and Wavelength ....................49 ƒ Entering a Two Point Calibration ....................50 ƒ Entering a Multiple Point Calibration ....................54 ƒ Selecting the Numerical Format of the Result ................57 ƒ Selecting Units of Concentration ....................58 ƒ Setting the Clock ..........................59 ƒ...

  • Page 5: General Information

    Continent 813-248-0585 (call collect). Be prepared to supply the name and four-digit LaMotte code number found on the container label or at the top of the SDS or in the contents list of the procedure. LaMotte reagents are registered with a computerized poison control information system available to all local poison control centers.

  • Page 6: X83; Limits Of Liability

    ƒ LIMITS OF LIABILITY Under no circumstances shall LaMotte Company be liable for loss of life, property, profits, or other damages incurred through the use or misuse of its products. ƒ WARRANTY LaMotte Company warrants this instrument to be free of defects in parts and workmanship for 2 years from the date of shipment.

  • Page 7: X83; Specifications

    Battery Life: Approximately 500 charges. Electrical Rating Rated voltage (5V), Rated power of input current (1.0A) at mini-USB input port Data Logger 500 test results stored for download to a PC Waterproof IP67 with USB port plug in place SMART3 Soil Colorimeter 9.20...
  • Page 8 B Canada CAN ICES-3(A)/NMB-3(A) AU/NZ AS/NZS CISPR 22 Dimensions (LxWxH) 3.5 x 7.5 x 2.5 inches, 8.84 x 19.05 x 6.35 cm Weight 13 oz, 362 g (meter only) †525 nm and 568 nm only SMART3 Soil Colorimeter 9.20...

  • Page 9: X83; Statistical And Technical Definitions

    Statistics in Analytical Chemistry: Part 7 – A Review, D. Coleman and L Vanatta, American Laboratory, Sept 2003, P. 34. Jeffery G. H., Basset J., Mendham J., Denney R. C., Vogel’s Textbook of Quantitative Chemical Analysis, 5th ed., Longman Scientific & Technical, 1989, p. 130. SMART3 Soil Colorimeter 9.20...

  • Page 10: X83; Contents And Accessories

    Small Field Carrying Case Code 1910-GCS150 (37.5 27.5 x 13.75 cm) Large Field Carrying Case Code 1910-GCS440 (45 x 32.5 x 20 cm) WARNING: Only use the USB Cable (1720-01) that is supplied with the kit. Make no substitutions. SMART3 Soil Colorimeter 9.20...

  • Page 11: X83; Epa Compliance

    ƒ IP67 CERTIFICATION The Smart3 meets IP67 standards for protection against dust and immersion only when the USB port plug is in place. Documentation is available at www.lamotte.com. SMART3 Soil Colorimeter 9.20...

  • Page 12: X83; An Introduction To Colorimetric Analysis

    Nitrogen test produces a pink color proportional to the nitrate-nitrogen concentration in the sample (the greater the nitrate-nitrogen concentration, the darker the pink color). A wavelength in the green region should be selected to analyze this sample since a pinkish-red solution absorbs mostly green light. SMART3 Soil Colorimeter 9.20...

  • Page 13: X83; Reagent Blank

    To eliminate this error the tubes should be placed in the chamber with the same orientation each time. Chambers which have been scratched through excessive use should be discarded and replaced with a new one. SMART3 Soil Colorimeter 9.20...

  • Page 14: X83; Meter Care

    This can be done following the user calibration described on page 29. If the user calibration fails to properly adjust the meter then the meter should be returned to LaMotte Company for recalibration. (See page 74).

  • Page 15: X83; Interferences

    10 mL of sample is diluted with three 10 mL volumes of demineralized water; the dilution factor is four. ƒ INTERFERENCES LaMotte reagent systems are designed to minimize most common interferences. Each individual test instruction discusses interferences unique to that test. Be aware of possible interferences in the water being tested.

  • Page 16: Operation Of The Smart3 Colorimeter

    The menus can be displayed in seven different languages. The test library consists of over 80 LaMotte tests and 25 “User Tests”. The LaMotte tests are precalibrated for LaMotte reagent systems.The colorimeter displays the result of these tests directly in units of concentration.

  • Page 17: X83; Components

    ƒ COMPONENTS Figure 1 shows a diagram of the Smart3 Colorimeter and its components. Bottom View Top View Serial Number SMART3 COLORIMETER ENTER EXIT Side Views USB Port with plug Figure 1 SMART3 Soil Colorimeter 9.20...

  • Page 18: General Operating Procedures

    This button exits to the previous menu on the name edit EXIT screen, the name will not be saved. This button turns the meter on or off. ENTER EXIT SMART3 Soil Colorimeter 9.20...

  • Page 19: X83; Sample Holders

    Header Menu Title Main Window Selection First Choice Second Choice Third Choice Another Footer 12:00:00 001/500 And Another And So On SMART3 Soil Colorimeter 9.20...
  • Page 20 Large format graphic information, such as test results or error messages or the LaMotte logo is displayed. The top two lines of the display are used to display information in a large, easy to read format. The menus work in the same way as previously described but two lines of the menu are visible at the bottom of the display.

  • Page 21: Testing

    TESTING ƒ TESTING MENU The Testing Menu is used to run all LaMotte pre-programmed tests, User Tests and Absorbance tests at one of four wavelengths. Testing from any of three sequences can also be done. Main Menu 1. Press and briefly hold turn the meter on.

  • Page 22: X83; General Testing Procedures

    ƒ GENERAL TESTING PROCEDURES The following is a step-by-step example of how to run tests from the Testing Menu. These test procedures are designed to be used with LaMotte SMART Reagent Systems. LaMotte Company continuously updates the list of pre-programmed tests as the calibrations become available.
  • Page 23 %T/Abs. Press EXIT to escape to previous menus. To Use the Print Test Function, NOTE: The menus loop in this See the Bluetooth Menu Selection, screen so either (page 63). will lead to the menu selection needed. SMART3 Soil Colorimeter 9.20...

  • Page 24: X83; Calibrating Lamotte Pre-Progammed Tests

    For the SMART3 Soil colorimeter, the standard should be used instead of the soil extract and prepared in distilled or deionized water for the range of the reagent system before the multiplication factor has been applied to the reading on the display.
  • Page 25 Main Menu 1. Press and briefly hold turn the meter on. The LaMotte Testing Menu logo screen will appear for about Editing Menu 3 seconds and the Main Menu will appear. 12:00:00 001/500 Testing Menu 2. Press to select Testing ENTER Menu.
  • Page 26 001/500 005 Aluminum 9. Press to select Calibrate. ENTER 0.28 ppm A reverse font (light background with dark characters) will appear to indicate that the reading can ∧, ∨=Edit, ENTER=Save be adjusted. ∧ +ENTER=Default 12:00:00 001/500 SMART3 Soil Colorimeter 9.20...
  • Page 27 %T/Abs EXIT Calibrate Press at any ENTER time to return to the default 12:00:00 001/500 value. The calibration has now been standardized and can be used for testing. Scroll to Scan Blank and begin testing. SMART3 Soil Colorimeter 9.20...

  • Page 28: X83; Measuring In The Absorbance Mode

    ƒ MEASURING IN THE ABSORBANCE MODE Main Menu 1. Press and briefly hold turn the meter on. The LaMotte Testing Menu logo screen will appear for about Editing Menu 3 seconds and the Main Menu will appear. 12:00:00 001/500 Testing Menu 2.
  • Page 29 8. Insert the reacted sample. Press 102 Absorbance 525 to scan the sample. The 0.425 ENTER screen will display Scan Sample Sample Done for about 1 second. The result will appear on Scan Sample the screen. Next Test 12:00:00 001/500 SMART3 Soil Colorimeter 9.20...

  • Page 30: Editing Menu

    The default factory settings are: Date Format MM-DD-YYYY Logging Enabled Power Save 5 minutes Backlight 10 seconds Language English SMART3 Soil Colorimeter 9.20...

  • Page 31: X83; Test Sequences

    Sequence 1, Sequence 2, And Sequence 3 are alterable sequences. They may be edited using the Editing Menu. Any of the LaMotte pre-programmed tests or User Tests may be placed in these sequences in whatever testing order that is preferred. There are...

  • Page 32: X83; Editing A Sequence

    The Edit Sequence menu allows three alterable test sequences (Sequence 1, Sequence 2, Sequence 3) to be edited. Main Menu 1. Press and briefly hold turn the meter on. The LaMotte Testing Menu logo screen will appear for about Editing Menu 3 seconds and the Main Menu will appear.
  • Page 33 Edit Sequence 1 Edit Sequence 2 Edit Sequence 3 12:00:00 001/500 EDIT SEQUENCE 2 6. Press to select the ENTER sequence to be edited. 005 Aluminum 025 Chlorine T DPD 056 Iron Phenanthro 060 Manganese LR 12:00:00 001/500 SMART3 Soil Colorimeter 9.20...

  • Page 34: X83; Adding Or Deleting A Test

    Delete 12:00:00 001/500 All Tests 4. Press to select the option, ENTER Insert Before, in this example. 002 Alkalinity UDV The All Test Menu will appear. 005 Aluminum 006 Ammonia-N LRF 007 Ammonia-N LRS 12:00:00 001/500 SMART3 Soil Colorimeter 9.20...
  • Page 35 Menu. Edit Sequence 3 12:00:00 001/500 Main Menu 8. Press to select Edit ENTER Sequences to continue editing Testing Menu the sequences or press EXIT Editing Menu twice to return to the Main Menu. 12:00:00 001/500 SMART3 Soil Colorimeter 9.20...
  • Page 36 005 Aluminum the Edit Sequences menu and 025 Chlorine T DPD the selected test will have been 056 Iron Phenanthro deleted. All changes to the sequence will automatically 060 Manganese LR have been saved. 12:00:00 001/500 SMART3 Soil Colorimeter 9.20...
  • Page 37 Editing Menu. Edit User Test Set Clock Logging 12:00:00 001/500 Main Menu Press to select Edit ENTER Sequences to continue editing Testing Menu the sequences or press EXIT Editing Menu return to the Main Menu. 12:00:00 001/500 SMART3 Soil Colorimeter 9.20...

  • Page 38: X83; Creating A Soil Sequence Test

    081 Phosphate LR 085 Potassium 089 Sulfate HR 097 Zinc LR Main Menu 1. Press and briefly hold turn the meter on. The LaMotte Testing Menu logo screen will appear for about Editing Menu 3 seconds and the Main Menu will appear.
  • Page 39 ENTER be edited. In this example, 025 Insert Before Chlorine T DPD. Insert After Delete 12:00:00 001/500 Add or Delete 8. Press to scroll to Delete. Insert Before Insert After Delete 12:00:00 001/500 SMART3 Soil Colorimeter 9.20...
  • Page 40 To remove the remaining test, add a new test and then delete the unwanted test. In creating the soil sequence, the last test—055 Iron Biryridal—will be included in the sequence and will not be deleted. SMART3 Soil Colorimeter 9.20...
  • Page 41 16. Press to select the test to ENTER be added. 036 Cu Thiocarbamate 055 Iron Bipyridal 12:00:00 001/500 Edit Sequence 1 17. Press to select 036 Cu ENTER Thiocarbamate. 036 Cu Thiocarbamate 055 Iron Bipyridal 12:00:00 001/500 SMART3 Soil Colorimeter 9.20...
  • Page 42 055 Iron Bipyridal. 036 Cu Thiocarbamate 055 Iron Bipyridal 12:00:00 001/500 Add or Delete 22. Press to select 055 Iron ENTER Bipyridal. Press Insert Before to scroll to Insert After. Insert After Delete 12:00:00 001/500 SMART3 Soil Colorimeter 9.20...
  • Page 43 059 Manganese HR. 036 Cu Thiocarbamate 055 Iron Bipyridal 059 Manganese HR 12:00:00 001/500 Add or Delete 26. Press to 059 Manganese ENTER HR. Press Insert Before scroll to Insert After. Insert After Delete 12:00:00 001/500 SMART3 Soil Colorimeter 9.20...
  • Page 44 Editing Menu. Edit Sequences Edit User Test Set Clock Logging 12:00:00 001/500 Main Menu 30. Press to escape to the EXIT Main Menu. Press Testing Menu to scroll to the Testing Editing Menu Menu. 12:00:00 001/500 SMART3 Soil Colorimeter 9.20...

  • Page 45: X83; Edit User Tests

    001/500 ƒ EDIT USER TESTS If a test other than the LaMotte programmed tests is performed regularly, a calibration for it may be entered in one of the 25 User Tests. These tests are originally named “User Test 1 - 25”. It will be possible to rename the test, select a wavelength, enter a new calibration, select the number of decimal places used to display the results, and select the units.
  • Page 46 109 USER TEST 05 110 USER TEST 06 111 USER TEST 07 12:00:00 001/500 111 USER TEST 07 6. Press to select the User ENTER Test. Name the Test Select Vial/WL STD Calibration Enter Constants 12:00:00 001/500 SMART3 Soil Colorimeter 9.20...

  • Page 47: X83; Naming The Test

    In this example, the test name will be C D E F G I J K L M H2O. SER TEST 07 The character for a blank space is located after the lower case 12:00:00 001/500 SMART3 Soil Colorimeter 9.20...
  • Page 48 F G H I J K 111 H2 R TEST 07 12:00:00 001/500 Name the Test Press to scroll to the desired character. J K L M N P Q R S T 111 H2 R TEST 07 12:00:00 001/500 SMART3 Soil Colorimeter 9.20...

  • Page 49: X83; Selecting The Vial And Wavelength

    Name the Test Select Vial/WL. Select Vial/WL STD Calibration Enter Constants 12:00:00 001/500 Select Vial/WL 2. Press to select Select ENTER Vial/WL. Ch1 428nm 25mm Ch2 525nm 25mm Ch3 635nm 25mm Ch4 568nm 25mm 12:00:00 001/500 SMART3 Soil Colorimeter 9.20...

  • Page 50: X83; Entering A Two Point Calibration

    Standard screen. A blinking 0.000000 reverse font (dark background with a light character) will 12:00:00 001/500 appear to indicate the character that will be adjusted. The same character will also appear in the center of the display. SMART3 Soil Colorimeter 9.20...
  • Page 51 6 7 8 9 . - 1 2 3 4 5 00000 12:00:00 001/500 Low Standard Press to scroll to the desired character. 6 7 8 9 . - 1 2 3 4 5 00000 12:00:00 001/500 SMART3 Soil Colorimeter 9.20...
  • Page 52 <Enter> continue 12:00:00 001/500 11. The standards wil be scanned. STD Calibration Insert the blank. Press ENTER and the Insert Low Standard Insert Low Standard screen will appear. <Enter> continue 12:00:00 001/500 SMART3 Soil Colorimeter 9.20...
  • Page 53 K3 = 0.00000 <Enter> Save 12:00:00 001/500 111 H2O 14. Press to save the ENTER calibration curve and return to Name the Test the Edit User Test Menu. Select Vial/WL STD Calibration Enter Constants 12:00:00 001/500 SMART3 Soil Colorimeter 9.20...

  • Page 54: X83; Entering A Multiple Point Calibration

    1. From the User Test menu, press 111 H2O to scroll to Enter Name the Test Constants. Select Vial/WL STD Calibration Enter Constants 12:00:00 001/500 K0=0.00000 2. Press to select Enter ENTER Constants. K1=1.00000 K2=0.00000 K3=0.00000 OR=100.00000 12:00:00 001/500 SMART3 Soil Colorimeter 9.20...
  • Page 55 Press 5 6 7 8 9 - 0 1 2 3 4 to scroll to the next character. – 0 0000 Note: The character for a blank space is located after the 9. 12:00:00 001/500 SMART3 Soil Colorimeter 9.20...
  • Page 56 10. After the final character is 111 H2O entered the meter will save Name the Test the constants. The screen will Select Vial/WL display Storing... and return to the Edit Test menu. STD Calibration Enter Constants 12:00:00 001/500 SMART3 Soil Colorimeter 9.20...

  • Page 57: X83; Selecting The Numerical Format Of The Result

    4. Press to select the ENTER decimal places. The screen wil Select Vial/WL display Storing... for about 1 STD Calibration second and the meter will return to the Edit Test menu. Enter Constants Decimal Places 12:00:00 001/500 SMART3 Soil Colorimeter 9.20...

  • Page 58: X83; Selecting Units Of Concentration

    4. Press to select the units. ENTER The screen will display Storing... STD Calibration for about 1 second and the Enter Constants meter will return to the Edit Test menu. Decimal Places Select Units 12:00:00 001/500 SMART3 Soil Colorimeter 9.20...

  • Page 59: X83; Setting The Clock

    Editing Menu 3. Press to select the final ENTER character. The time and date Edit Sequences will be saved and the meter will Edit User Test return to the Editing Menu. Set Clock Logging 12:00:00 001/500 SMART3 Soil Colorimeter 9.20...

  • Page 60: X83; Logging Data

    Logging Disabled Erase Log 12:00:00 001/500 Editing Menu 4. Press . The screen will ENTER display Storing... for about 1 Edit Sequences second and return to the Editing Edit User Test Menu. Set Clock Logging 12:00:00 001/500 SMART3 Soil Colorimeter 9.20...

  • Page 61: X83; Factory Setup

    12:00:00 001/500 Editing Menu 4. Press . The screen will ENTER display Storing..for about 1 Set Clock second and the meter will retun Logging to the Editing Menu. Factory Setup Set PWR Save 12:00:00 001/500 SMART3 Soil Colorimeter 9.20...

  • Page 62: X83; Setting Backlight Time

    001/500 Editing Menu 4. Press . The screen will ENTER display Storing... for about 1 Logging second and the meter will return Factory Setup to the Editing Menu. Set Power Save Set Backlight Time 12:00:00 001/500 SMART3 Soil Colorimeter 9.20...

  • Page 63: X83; Bluetooth Menu

    Bluetooth ENTER Menu. Bluetooth Power Bluetooth Mode Bluetooth Scan Set BT Timeout 12:00:00 001/500 Bluetooth Menu 3. Press to scroll to Bluetooth Power. Bluetooth Power Bluetooth Mode Bluetooth Scan Set BT Timeout 12:00:00 001/500 SMART3 Soil Colorimeter 9.20...
  • Page 64 Mobile Printer (Code 5-0066). Bluetooth Scan The screen will display Set BT Timeout Storing… for about 1 second and the meter will return to the 12:00:00 001/500 Bluetooth Menu. A flashing P symbol will indicate that Bluetooth is enabled. SMART3 Soil Colorimeter 9.20...
  • Page 65 001/500 Bluetooth Menu 3. Press to scroll to Bluetooth Mode. Bluetooth Power Bluetooth Mode Bluetooth Scan Set BT Timeout 12:00:00 001/500 Bluetooth Mode 4. Press to select ENTER Bluetooth Mode. Mobile Device BT Printer 12:00:00 001/500 SMART3 Soil Colorimeter 9.20...
  • Page 66 1. Turn on the power to the Bluetooth Mobile Printer (Code 5-0066). 2. From the Editing Menu, press Editing Menu to scroll to Factory Setup Bluetooth Menu. Set Power Save Set Backlight Time Bluetooth Menu 12:00:00 001/500 SMART3 Soil Colorimeter 9.20...
  • Page 67 Scanning (11)... begin scanning. A count down timer will begin counting down from 11 seconds. If “No BT Available…” is displayed, Bluetooth is not 12:00:00 001/500 enabled on the meter. Go to Bluetooth Power to enable it. SMART3 Soil Colorimeter 9.20...
  • Page 68 Connect to Printer press ENTER to pair the printer. 000D163140A0 The screen will display the BT Connecting Address and Working… for about 1 second. The meter will display a status message when the printer is connected. 12:00:00 001/500 SMART3 Soil Colorimeter 9.20...
  • Page 69 Set BT Timeout. Bluetooth Power BluetoothMode Bluetooth Scan Set BT Timeout 12:00:00 001/500 Set BT Timeout 4. Press to select Set BT ENTER Timeout. 15 minutes 5 minutes 30 Seconds Disable 12:00:00 001/500 SMART3 Soil Colorimeter 9.20...

  • Page 70: X83; Selecting A Language

    1. From the Editing Menu, press Editing Menu to scroll to Set Power Save Select Language. Set Backlight Time Bluetooth Menu Select Language 12:00:00 001/500 Select Language 2. Press to select Select ENTER Language. English Spanish French Portugese 12:00:00 001/500 SMART3 Soil Colorimeter 9.20...
  • Page 71 NOTE: If meter unintentionally switches to another language, use the procedure above to reset the meter to the desired language. For example, to reset the meter to English: Turn meter on. 1. Press one time. Press ENTER 2. Press eight times. Press ENTER 3. Press ENTER SMART3 Soil Colorimeter 9.20...

  • Page 72: X83; Looping Menus

    SECOND CHOICE SECOND CHOICE THIRD CHOICE THIRD CHOICE ANOTHER ANOTHER LAST CHOICE AND ANOTHER AND ANOTHER The feature called Looping Menu can be turned on and off in the Editing Menu. The default setting is ON. SMART3 Soil Colorimeter 9.20...

  • Page 73: Computer Connection

    The meter may be interfaced with any Windows-based 64 bit computer by using the LaMotte WaterLink Connect program and a USB cable. The program will store test information and results in a local database, and allow for exporting this data to a comma separated value (CSV) file.

  • Page 74: Battery

    ◊ Fully charge the battery at least once per year. Failure to do so may result in a permanently drained battery. ◊ Limit backlight use. The unit consumes 3X normal power with the backlight on. Set the backlight time option to 10 seconds, or select “Button Control” and keep the backlight off. SMART3 Soil Colorimeter 9.20...

  • Page 75: X83; Battery Replacement

    LaMotte Company. Battery replacement must be performed at a LaMotte authorized repair facility. The water resistant housing of this meter should not be opened by the user. Contact LaMotte Company by phone (1-800-344-3100) or email (tech@lamotte.com) for a return authorization number.

  • Page 76: Troubleshooting

    This can be done following the user calibration described on page 24. If the user calibration fails to properly adjust the meter then the meter should be returned to LaMotte Company for recalibration. (See page 75).

  • Page 77: X83; Troubleshooting Guide

    Bluetooth range. Printer does not Printer in not powered Power on the printer appear in the list of Bluetooth devices Connection lost Bluetooth pairing with Re-pair the Printer to the the printer was lost. colorimeter SMART3 Soil Colorimeter 9.20...
  • Page 78 SMART3 Soil Colorimeter 9.20...
  • Page 79 SMART3 Soil Colorimeter Test Procedures...
  • Page 80 LaMotte Company continuously updates the list of pre-programmed tests as the calibrations become available. Call LaMotte Technical Services at 1-800-344-3100 (410-778-3100 outside the USA) or email at tech@lamotte.com for a current list of available calibrations and more information. # of...
  • Page 81 4. Take reading using the pH meter. Stir mixture just prior to making reading. 5. Each 0.1 pH unit drop from pH 7.0 indicates a lime requirement equivalent to 1000 lbs calcium carbonate (CaCO )/acre. SMART3 Soil Colorimeter 9.20...
  • Page 82 5. Determine the TDS reading of the sample by following the instructions for the TDS Meter. 6. To convert conductivity to Soluble Salts (Total Dissolved Solids), use the following formula. ppm Soluble Solids (Total Dissolved Solids) = Micromhos/cm @ 25°C x 0.7 SMART3 Soil Colorimeter 9.20...
  • Page 83 Nitrate Nitrogen, Phosphorous, Potassium, Calcium, Magnesium, Ammonia Nitrogen, Nitrite Nitrogen, Manganese, Copper, Zinc, and Iron. Separate extractions are required for the Chloride and Sulfate tests. Consult the LaMotte Soil Handbook (1504) for information on sampling and preparation of sample for testing.
  • Page 84 3. If the test paper does not change from yellow to blue or green, continue adding *Sodium Hydroxide, 15% to the soil extract, one drop at a time. Stir and test the pH after the addition of each drop until the test paper changes from yellow to green or blue. SMART3 Soil Colorimeter 9.20...
  • Page 85 *WARNING: Reagents marked with an * are considered to be potential health hazards. To view or print a Safety Data Sheet (SDS) for these reagents go to www.lamotte.com. Search for the four digit reagent code number listed on the reagent label, in the contents list or in the test procedures.
  • Page 86 It is necessary to determine the reagent blank only when a new lot number of reagents is obtained. Ammonia Nitrogen Concentration Chart Pounds per Acre Range 0-24 lb/acre 25-68 lb/acre Medium Over 71 lb/acre High AMMONIA NITROGEN Smart3 Soil Test Procedures 9.20...
  • Page 87 *WARNING: Reagents marked with an * are considered to be potential health hazards. To view or print a Safety Data Sheet (SDS) for these reagents go to www.lamotte.com. Search for the four digit reagent code number listed on the reagent label, in the contents list or in the test procedures.
  • Page 88 84. II. TITRATION A, CALCIUM & MAGNESIUM Carefully read the LaMotte Direct Reading Titrator Manual (1649) before performing the titrations described below. 1. Fill the test tube (0608) to the 5 mL line with the soil extract from above. Dilute to the 10 mL line with deionized water.
  • Page 89 = 0.4 x 520 = 208 ppm Ca = 208 x 2 = 416 lb/acre Ca Magnesium = 0.24 (640 - 520) = 0.24 x 120 = 29 ppm Mg = 29 x 2 = 58 lb/acre Mg Smart3 Soil Test Procedures 9.20 CALCIUM & MAGNESIUM...
  • Page 90 CALCIUM & MAGNESIUM Smart3 Soil Test Procedures 9.20...
  • Page 91 *WARNING: Reagents marked with an * are considered to be potential health hazards. To view or print a Safety Data Sheet (SDS) for these reagents go to www.lamotte.com. Search for the four digit reagent code number listed on the reagent label, in the contents list or in the test procedures.
  • Page 92 PROCEDURE Carefully read the LaMotte Direct Reading Titrator Manual (1649) before performing the titration procedure described below. The Titrator is calibrated in terms of parts per million chloride and each minor division on the Titrator scale equals 20 ppm. 1. Fill a clean test tube (0701) to the 15 mL line with deionized water.
  • Page 93 *WARNING: Reagents marked with an * are considered to be potential health hazards. To view or print a Safety Data Sheet (SDS) for these reagents go to www.lamotte.com. Search for the four digit reagent code number listed on the reagent label, in the contents list or in the test procedures.
  • Page 94 EXIT make another menu selection. NOTE: The reaction may stain the tubes. Scrub the tubes thoroughly after each use. Copper Concentration Chart Parts Per Million Range 0-1 ppm 1-3 ppm Marginal 3-4 ppm Adequate COPPER Smart3 Soil Test Procedures 9.20...
  • Page 95 *WARNING: Reagents marked with an * are considered to be potential health hazards. To view or print a Safety Data Sheet (SDS) for these reagents go to www.lamotte.com. Search for the four digit reagent code number listed on the reagent label, in the contents list or in the test procedures.
  • Page 96 It is necessary to determine the reagent blank only when a new lot number of reagents is obtained. Iron Concentration Chart Parts Per Million Range 0.0-1.3 ppm Very Low 1.4-3.0 ppm 3.0-5.0 ppm Medium 5.0-10.0 ppm Medium High Over 10.0 ppm High IRON Smart3 Soil Test Procedures 9.20...
  • Page 97 *WARNING: Reagents marked with an * are considered to be potential health hazards. To view or print a Safety Data Sheet (SDS) for these reagents go to www.lamotte.com. Search for the four digit reagent code number listed on the reagent label, in the contents list or in the test procedures.
  • Page 98 EXIT make another menu selection. Mangansese Concentration Chart Parts Per Million Range 0-5 ppm 5-12 ppm Medium 13-24 ppm Medium High 25-40 ppm High Over 40 Very High MANGANESE Smart3 Soil Test Procedures 9.20...
  • Page 99 *WARNING: Reagents marked with an * are considered to be potential health hazards. To view or print a Safety Data Sheet (SDS) for these reagents go to www.lamotte.com. Search for the four digit reagent code number listed on the reagent label, in the contents list or in the test procedures.
  • Page 100 It is necessary to determine the reagent blank only when a new lot number of reagents are obtained. To convert Nitrate Nitrogen (NO –N) results to ppm Nitrate (NO ), multiply by 4.4. – NITRATE-NITROGEN Smart3 Soil Test Procedures 9.20...
  • Page 101 Nitrate-Nitrogen Concentration Chart Pounds Per Acre Range 0.0-9.0 lb/acre 11-29 lb/acre Medium 33-51 lb/acre Medium High 53-100 lb/acre High Over 100 lb/acre Very High Smart3 Soil Test Procedures 9.20 NITRATE-NITROGEN...
  • Page 102 NITRATE-NITROGEN Smart3 Soil Test Procedures 9.20...
  • Page 103 *WARNING: Reagents marked with an * are considered to be potential health hazards. To view or print a Safety Data Sheet (SDS) for these reagents go to www.lamotte.com. Search for the four digit reagent code number listed on the reagent label, in the contents list or in the test procedures.
  • Page 104 NOTE: To convert nitrite-nitrogen (NO –N) results to ppm nitrite (NO ), multiply results – by 3.3. Nitrite-Nitrogen Concentration Chart Pounds Per Acre Range 0.0-2.0 lb/acre 2.5-4.0 lb/acre Medium 4.5-10.0 lb/acre Medium High Over 10 lb/acre High NITRITE-NITROGEN Smart3 Soil Test Procedures 9.20...
  • Page 105 *WARNING: Reagents marked with an * are considered to be potential health hazards. To view or print a Safety Data Sheet (SDS) for these reagents go to www.lamotte.com. Search for the four digit reagent code number listed on the reagent label, in the contents list or in the test procedures.
  • Page 106 Mercuric chloride, HgCl , when used as the preservative, interferes when the chloride levels are low (less than 50 mg/L). This interference is overcome by spiking samples with a minimum of 50 mg/L of sodium chloride. PHOSPHATE Smart3 Soil Test Procedures 9.20...
  • Page 107 3. Cap the vial and shake for a period of 5 minutes. 4. Filter using the funnel (0459) and filter paper (0463). Collect all of the filtrate. 5. Perform the Phosphorus test according to the Phosphorus procedure given above. Smart3 Soil Test Procedures 9.20 PHOSPHATE...
  • Page 108 Phosphorus Concentration Chart Pounds Per Acre Range 0-14 lb/acre Very Low 16-34 lb/acre 35-67 lb/acre Medium Over 70 lb/acre High PHOSPHATE Smart3 Soil Test Procedures 9.20...
  • Page 109 *WARNING: Reagents marked with an * are considered to be potential health hazards. To view or print a Safety Data Sheet (SDS) for these reagents go to www.lamotte.com. Search for the four digit reagent code number listed on the reagent label, in the contents list or in the test procedures.
  • Page 110 For the most accurate results, the sample and reagents should be at 25±4°C. Potassium Concentration Chart Pounds Per Acre Range 0-44 lb/acre Very Low 50-76 lb/acre 82-143 lb/acre Medium 144-281 lb/acre High Over 294 lb/acre Very High POTASSIUM Smart3 Soil Test Procedures 9.20...
  • Page 111 *WARNING: Reagents marked with an * are considered to be potential health hazards. To view or print a Safety Data Sheet (SDS) for these reagents go to www.lamotte.com. Search for the four digit reagent code number listed on the reagent label, in the contents list or in the test procedures.
  • Page 112 Thoroughly clean and rinse test tubes after each test. For the most accurate results, samples and reactions should be at 25±4°C. Sulfur Concentration Chart Parts Per Million Range 0-16 ppm 17-30 ppm Medium Low 31-50 ppm Medium 52-75 ppm High SULFUR Smart3 Soil Test Procedures 9.20...
  • Page 113 *WARNING: Reagents marked with an * are considered to be potential health hazards. To view or print a Safety Data Sheet (SDS) for these reagents go to www.lamotte.com. Search for the four digit reagent code number listed on the reagent label, in the contents list or in the test procedures.
  • Page 114 Sodium ascorbate is added to reduce the interference of manganese. INTERFERENCES: The following ions interfere in concentrations greater than those listed. mg/L mg/L Cd(II) Cr(III) Al (III) Ni(II) Mn (II) Co (II) Fe (III) CrO4(II) Fe (II) ZINC Smart3 Soil Test Procedures 9.20...
  • Page 115 To determine the reagent blank, follow the above test procedure to scan a distilled or deionized water blank. Then follow the above procedure to perform the test on a distilled or deionized water sample. Smart3 Soil Test Procedures 9.20 ZINC...
  • Page 116 It is necessary to determine the reagent blank only when a new lot number of reagents is obtained. Zinc Concentration Chart Parts Per Million Range 0.0-0.5 ppm 0.6-1.0 ppm Marginal 1.1-2.0 ppm Adequate ZINC Smart3 Soil Test Procedures 9.20...

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