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Summary of Contents for Metrohm IC Amperometric Detector
- Page 1 IC Professional Detector IC Amperometric Detector Manual 8.850.8062EN / 2020-09-25...
- Page 3 Metrohm AG CH-9100 Herisau Switzerland Phone +41 71 353 85 85 Fax +41 71 353 89 01 info@metrohm.com www.metrohm.com IC Professional Detector IC Amperometric Detector 2.850.9110 Manual 8.850.8062EN / 2020-09-25...
- Page 4 Technical Communication Metrohm AG CH-9100 Herisau techcom@metrohm.com This documentation is protected by copyright. All rights reserved. This documentation has been prepared with great care. However, errors can never be entirely ruled out. Please send comments regarding possible errors to the address above.
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Page 5: Table Of Contents
Connecting the electrode cables ........19 Attaching the front cover ..........20 4 Operation and maintenance Operation ................21 Care ..................21 Maintenance by Metrohm Service ........22 Maintenance ............... 22 4.4.1 Maintenance ................. 22 2.850.9110 IC Amperometric Detector ￭￭￭￭￭￭￭￭... - Page 6 Problems with the pressure ..........28 Problems with the measuring signal ........ 28 Problems with the chromatogram ........29 Other problems ..............30 Systematic error diagnostics ..........31 6 Technical specifications Amperometric detector ............33 7 Accessories Index ￭￭￭￭￭￭￭￭ 2.850.9110 IC Amperometric Detector...
- Page 7 ￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭ Table of figures Table of figures Figure 1 Front ....................6 Figure 2 Rear ....................7 Figure 3 Inserting the detector ................ 9 2.850.9110 IC Amperometric Detector ￭￭￭￭￭￭￭￭...
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Page 9: Introduction
The IC Amperometric Detector can only be used together with the IC instrument. It is utilized in the detector chamber of the IC instrument. -
Page 10: Intended Use
As is the case with the associated IC instrument, the IC Amperometric Detector is also used for working with chemicals and flammable samples. The usage of the IC Amperometric Detector requires that the user have basic knowledge and experience in the handling of toxic and caustic sub- stances for this purpose. -
Page 11: Working With Liquids
The correct disposal of your old instrument will help to prevent negative effects on the environment and public health. More details about the disposal of your old instrument can be obtained from your local authorities, from waste disposal companies or from your local dealer. 2.850.9110 IC Amperometric Detector ￭￭￭￭￭￭￭￭... -
Page 12: About The Documentation
Content and scope Content of this manual This manual describes: The installation of the IC Amperometric Detector in an IC instrument ￭ and the insertion and connection of the measuring cell in the detector. The start-up of the IC Amperometric Detector together with the IC ￭... - Page 13 Warning This symbol draws attention to a possible biological hazard. Caution This symbol draws attention to a possible damage of instruments or instrument parts. Note This symbol marks additional information and tips. 2.850.9110 IC Amperometric Detector ￭￭￭￭￭￭￭￭...
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Page 14: Overview Of The Instrument
Input of the preheating capillary inside the For the reference electrode, labeled with RE instrument, labeled with Eluent in. (reference electrode). 11 Detector housing 12 Connector plug For connecting the detector to the detector connection socket of the IC instrument. ￭￭￭￭￭￭￭￭ 2.850.9110 IC Amperometric Detector... -
Page 15: Rear
Figure 2 Rear Front cover Type plate Removable. With serial number. Connector plug Connection socket For connecting the detector to the detector For a testing instrument (for service only). connection socket of the IC instrument. 2.850.9110 IC Amperometric Detector ￭￭￭￭￭￭￭￭... -
Page 16: Installation
￭ All 882 Compact IC pluses ￭ The IC Amperometric Detector is placed in the detector chamber of the IC instruments. The detector chamber can be opened on the rear of the instrument. Figure 3 shows how the detector is inserted into an 850 Professional IC instrument within 6 simple steps. - Page 17 ￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭ 3 Installation Figure 3 Inserting the detector NOTICE With the instruments of the 850 Professional line of instruments, up to two detectors can be placed and connected. 2.850.9110 IC Amperometric Detector ￭￭￭￭￭￭￭￭...
- Page 18 Tighten the knurled screws. ￭ Connecting the detector connection cable CAUTION The IC instrument must be switched off when the detector is being connected. Before connecting the detector, make sure that the IC instrument is switched off. ￭￭￭￭￭￭￭￭ 2.850.9110 IC Amperometric Detector...
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Page 19: Putting The Amperometric Detector Into Operation
Detector 1 or Detector 2. Putting the amperometric detector into operation The IC Amperometric Detector is put into operation together with the IC instrument in which it has been inserted to. The following measures must be carried out on the IC Amperometric... - Page 20 – DC potential: 0.8 V – Range: Auto – Damping: off Add an analysis for the detector channel Current. ￭ Add the entry Current ▶ Start data acquisition in the Time ￭ program subwindow. Save the method. ￭ ￭￭￭￭￭￭￭￭ 2.850.9110 IC Amperometric Detector...
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Page 21: Testing The Leak Sensor
1 Hold a cloth moistened with eluent or tap water on the two contacts of the leak sensor (1-7). The leak sensor of the detector responds. If the leak sensor does not respond, please request Metrohm Service. 2.850.9110 IC Amperometric Detector ￭￭￭￭￭￭￭￭... -
Page 22: Testing The Preheating Capillary
To eliminate the problem, see Chapter Preheating capillary maintenance, page 22. 4 Observe the pump pressure Observe the pump pressure display in the program part Manual of MagIC Net. A constant pressure should establish itself after a while. ￭￭￭￭￭￭￭￭ 2.850.9110 IC Amperometric Detector... -
Page 23: Testing The Detector Outlet Capillary
4 Loosening the detector outlet capillary Loosen the detector outlet capillary from the Eluent to cell connec- tor. Wipe up emerging liquid with a cloth. 2.850.9110 IC Amperometric Detector ￭￭￭￭￭￭￭￭... -
Page 24: Testing The Measuring Cell
In connector on the measuring cell. Connecting the measuring cell outlet: ￭ Use a pressure screw (6.2744.014) to fasten the tested detector outlet capillary to the Out connector on the measuring cell (see "Testing the detector outlet capillary", page 15). ￭￭￭￭￭￭￭￭ 2.850.9110 IC Amperometric Detector... - Page 25 – Detach the capillary from the Out connection on the mea- suring cell and check whether the end has been pinched by the pressure screw. – Shorten the capillary and fasten once again to the Out con- nector on the measuring cell. 2.850.9110 IC Amperometric Detector ￭￭￭￭￭￭￭￭...
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Page 26: Deaerating The Measuring Cell
Reinsert the reference electrode. Wipe up any emerging eluent ￭ with a cloth. Screw the nut on the reference electrode connector back on ￭ tightly. 2 Removing the purge stopper Remove the stopper from the Purge connector. ￭￭￭￭￭￭￭￭ 2.850.9110 IC Amperometric Detector... -
Page 27: Connecting The Electrode Cables
The sockets and the plugs of the cables must be clean and dry. Connecting the electrode cables to the detector Prerequisites: The measuring cell is switched off. ￭ 1 Plug the straight plug of the working electrode cable (red sleeve) into the WE socket of the detector. 2.850.9110 IC Amperometric Detector ￭￭￭￭￭￭￭￭... -
Page 28: Attaching The Front Cover
When you are attaching the front cover, observe the following: Do not pinch any capillaries! ￭ Guide the capillaries through the capillary feed-throughs (1-16). Do not pinch any cables! ￭ ￭￭￭￭￭￭￭￭ 2.850.9110 IC Amperometric Detector... -
Page 29: Operation And Maintenance
4 Operation and maintenance Operation The IC Amperometric Detector is operated with the MagIC Net™ soft- ware, as is the IC instrument and the entire IC system. Additional informa- tion regarding operation can be found in the software documentation and in the online help. -
Page 30: Maintenance By Metrohm Service
Maintenance by Metrohm Service Maintenance of the instrument is best carried out as part of an annual ser- vice, which is performed by specialist personnel from Metrohm. If working frequently with caustic and corrosive chemicals, a shorter maintenance interval is recommended. The Metrohm service department offers every form of technical advice for maintenance and service of all Metrohm instruments. -
Page 31: Shutting Down
Eluent to cell and repeat the procedure (see "Rinsing the preheating capillary", page 22). If the blockage can also not be dissolved by rinsing in the opposite direc- tion, then the preheating capillary must be replaced by a Metrohm Service employee. Shutting down... -
Page 32: Problems With The Hardware
Switch on the column thermostat or the ￭ fluctuations. column oven. Amperometric detector – Connect the pre- ￭ heating capillary . Amperometric detector – Attach and close ￭ the front cover (see chapter 3.5, page 20). ￭￭￭￭￭￭￭￭ 2.850.9110 IC Amperometric Detector... - Page 33 The auxiliary electrode is Clean the auxiliary electrode of the measuring contaminated. cell. Clean and polish the working electrode The working electrode is ￭ (see the leaflet for the working electrode). contaminated. 2.850.9110 IC Amperometric Detector ￭￭￭￭￭￭￭￭...
- Page 34 1 mL of eluent has emerged, screw the purge stopper back in tightly. Electrodes contaminated. Clean and polish the working electrode. ￭ Possibly clean the auxiliary electrode. ￭ Replace the reference electrode with a ￭ well-conditioned new reference electrode. ￭￭￭￭￭￭￭￭ 2.850.9110 IC Amperometric Detector...
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Page 35: General Remarks Regarding Sensitivity Fluctuations
IC system – Eluent contam- Prepare a new eluent. inated. IC system – pH of the elu- Check the pH value of the eluent and optimize ent has changed. it if necessary. 2.850.9110 IC Amperometric Detector ￭￭￭￭￭￭￭￭... -
Page 36: Problems With The Pressure
Measuring cell – Measur- Check the cable connections (see "Connecting ing cell not correctly con- the electrode cables to the measuring cell", nected. page 20). Optimize the measurement potential. Software – Measurement potential incorrect. ￭￭￭￭￭￭￭￭ 2.850.9110 IC Amperometric Detector... -
Page 37: Problems With The Chromatogram
IC system – Eluent is old. Prepare a new eluent. The ionic strength of the Dilute the sample or optimize the pH value of sample or the pH value of the sample. the sample deviates greatly from the eluent. 2.850.9110 IC Amperometric Detector ￭￭￭￭￭￭￭￭... -
Page 38: Other Problems
Measuring cell – Small air Deaerate the measuring cell (see chapter bubbles in the measuring 3.3.6, page 18). cell. Measuring cell – Electrode Perform an instrument test with the dummy connection cable defective. cell (see chapter 3.3.1, page 11). ￭￭￭￭￭￭￭￭ 2.850.9110 IC Amperometric Detector... -
Page 39: Systematic Error Diagnostics
Reinsert the measuring cell. ￭ If the problem has not yet been localized, continue with Step 5. 5 Replacing the reference electrode If the problem has not yet been localized, continue with Step 6. 2.850.9110 IC Amperometric Detector ￭￭￭￭￭￭￭￭... - Page 40 If the problem has not yet been localized, continue with Step 8. 8 Requesting Metrohm Service If none of these measures help, please request Metrohm Service. NOTICE Please note that, when the electrodes are replaced, the system requires a longer run-in time before the earlier values can be reproduced.
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Page 41: Amperometric Detector
Software filter, can be set by the user Temperature con- trol Temperature better than 0.05 °C with ambient temperature +8 °C–80 °C stability at the heater Operation Direct Via Software MagIC Net Remote Via Remote Box 2.850.9110 IC Amperometric Detector ￭￭￭￭￭￭￭￭... - Page 42 Offset Can be adjusted within the digital signal range System standby Automatic function test at start-up ￭ Leak sensor ￭ Temperature stability monitoring ￭ Output channels Current rating ￭ Charge ￭ GLP conformity Yes, optional ￭￭￭￭￭￭￭￭ 2.850.9110 IC Amperometric Detector...
- Page 43 The PDF file with the accessories data is created. NOTICE Once you have received your new product, we recommend download- ing the accessories list from the Internet, printing it out and keeping it together with the manual for reference purposes. 2.850.9110 IC Amperometric Detector ￭￭￭￭￭￭￭￭...
- Page 44 Placement ......8 Amperometric detector ..33 Technical specifications ..33 Rinsing Detector ......22 Care ......... 21 Safety instructions ...... 2 Service ......... 2, 22 Electrode cable Shutting down ......23 Connect ......19 ￭￭￭￭￭￭￭￭ 2.850.9110 IC Amperometric Detector...
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