Metrohm 2.930.2160 Manual
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Metrohm 2.930.2160 Manual

Metrohm 2.930.2160 Manual

Oven/deg
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930 Compact IC Flex
930 Compact IC Flex Oven/Deg
Manual
8.930.8012EN / v4 / 2023-12-31

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Summary of Contents for Metrohm 2.930.2160

  • Page 1 930 Compact IC Flex 930 Compact IC Flex Oven/Deg Manual 8.930.8012EN / v4 / 2023-12-31...
  • Page 3 Metrohm AG CH-9100 Herisau Switzerland +41 71 353 85 85 info@metrohm.com www.metrohm.com 930 Compact IC Flex 930 Compact IC Flex Oven/Deg 2.930.2160 Manual 8.930.8012EN / v4 / 2023-12-31...
  • Page 4 Technical Communication Metrohm AG CH-9100 Herisau 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.

  • Page 5: Table Of Contents

    3.10 Installing the pulsation absorber ........27 3.11 Injection valve ..............28 3.12 Installing the conductivity detector ........30 3.13 Installing the amperometric detector ....... 31 3.14 Connecting the sample degasser (optional) ..... 31 930 Compact IC Flex Oven/Deg (2.930.2160) ￭￭￭￭￭￭￭￭...
  • Page 6 Separating efficiency .............. 70 5.14.2 Protecting the separation column .......... 70 5.14.3 Storing the separation column ..........70 5.14.4 Regenerating the separation column ........70 6 Troubleshooting ..................... 72 7 Technical specifications Reference conditions ............76 ￭￭￭￭￭￭￭￭ 930 Compact IC Flex Oven/Deg (2.930.2160)
  • Page 7 Eluent degasser ..............77 High-pressure pump ............78 Injection valve ..............79 7.10 Detector ................79 7.11 Sample degasser ..............79 7.12 Energy supply ..............79 7.13 Interfaces ................80 8 Accessories Index 930 Compact IC Flex Oven/Deg (2.930.2160) ￭￭￭￭￭￭￭￭...
  • Page 8 Removing the piston cartridge from the pump head ......60 Figure 18 Inserting the piston seal into the tool ..........61 Figure 19 Parts of the piston cartridge ............62 Figure 20 Inline filter – Removing the filter ............66 ￭￭￭￭￭￭￭￭ 930 Compact IC Flex Oven/Deg (2.930.2160)

  • Page 9: Introduction

    Leak sensor The leak sensor detects leaking liquid that collects in the instrument's base tray. Liquid that leaks in the instrument is routed to the base tray using drainage tubing and detected there. 930 Compact IC Flex Oven/Deg (2.930.2160) ￭￭￭￭￭￭￭￭...

  • Page 10: Inline Filter

    Detector Metrohm offers a series of different detectors for various analysis tasks. A suitable detector type must be ordered as a separate device. Sample degasser The sample degasser removes gas bubbles and dissolved gases from the sample.

  • Page 11: Intended Use

    The electrical safety when working with the instrument is ensured as part of the international standard IEC 61010. WARNING Only personnel qualified by Metrohm are authorized to carry out service work on electronic components. WARNING Never open the housing of the instrument. The instrument could be damaged by this.

  • Page 12: Supply Voltage

    Damaged tubing ends lead to leakage. Appropriate tools can be used to loosen connections. Check the connections regularly for leakage. If the instrument is used mainly in unattended operation, then weekly inspections are manda- tory. ￭￭￭￭￭￭￭￭ 930 Compact IC Flex Oven/Deg (2.930.2160)

  • Page 13: Flammable Solvents And Chemicals

    Menu or menu item [Continue] Button or key WARNING This symbol draws attention to a possible life-threat- ening hazard or risk of injury. WARNING This symbol draws attention to a possible hazard due to electrical current. 930 Compact IC Flex Oven/Deg (2.930.2160) ￭￭￭￭￭￭￭￭...
  • Page 14 WARNING This symbol draws attention to a possible biological hazard. CAUTION This symbol draws attention to possible damage to instruments or instrument parts. NOTE This symbol highlights additional information and tips. ￭￭￭￭￭￭￭￭ 930 Compact IC Flex Oven/Deg (2.930.2160)

  • Page 15: Overview Of The Instrument

    Front Bottle holder Column holder Offers space for the eluent bottle and addi- For hanging the separation column (iCol- tional accessories. umn). With column recognition. Column oven Sample degasser Inline filter Injection valve 930 Compact IC Flex Oven/Deg (2.930.2160) ￭￭￭￭￭￭￭￭...
  • Page 16 Base tray 10 High-pressure pump With leak sensor. Pumps the eluent through the IC system. 11 Eluent degasser 12 Detector chamber Offers space for an embedded detector and additional accessories. ￭￭￭￭￭￭￭￭ 930 Compact IC Flex Oven/Deg (2.930.2160)

  • Page 17: Rear

    Removable. Enables access to the detector chamber. Drainage tubing connection Transport locking screws For connecting the drainage tubing, which For securing the vacuum pump when trans- guides escaped liquids away from the detec- porting the instrument. tor chamber. 930 Compact IC Flex Oven/Deg (2.930.2160) ￭￭￭￭￭￭￭￭...

  • Page 18: Feed-Throughs For Capillaries And Cables

    Openings on the door ￭ Openings on the back panel ￭ Ducts between the instrument and the base tray as well as between ￭ the instrument and the bottle holder (see figure 5, page 13) ￭￭￭￭￭￭￭￭ 930 Compact IC Flex Oven/Deg (2.930.2160)

  • Page 19: Figure 3 Feed-Throughs On The Door

    The two Luer connections above are not actually openings; the capillaries are fastened to the Luer connection from within using PEEK pressure screws. You can use a syringe to inject or draw out liquid from the out- side. 930 Compact IC Flex Oven/Deg (2.930.2160) ￭￭￭￭￭￭￭￭...

  • Page 20: Figure 4 Openings For Capillaries And Cables

    The capillaries can be fed to the front of the instrument from both sides of the instrument and from the front of the instrument to the back of the instrument. ￭￭￭￭￭￭￭￭ 930 Compact IC Flex Oven/Deg (2.930.2160)

  • Page 21: Figure 5 Ducts For Capillaries

    ￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭ 2 Overview of the instrument Figure 5 Ducts for capillaries 930 Compact IC Flex Oven/Deg (2.930.2160) ￭￭￭￭￭￭￭￭...

  • Page 22: Installation

    High-pressure pump, purge valve, inline filter, pulsation absorber, separation columns 6.2744.090 Pressure screw, long MCS, sample degasser, 10- port valve Pressure screws are tightened and loosened by hand. A tool is not needed. ￭￭￭￭￭￭￭￭ 930 Compact IC Flex Oven/Deg (2.930.2160)
  • Page 23 (6.2739.000). ￭ In order to achieve optimum analysis results, capillary connections in an IC system must be absolutely tight and free of dead volume. Dead volume 930 Compact IC Flex Oven/Deg (2.930.2160) ￭￭￭￭￭￭￭￭...
  • Page 24 2 Heat the colored sleeve, e.g. with a hairdryer. The colored sleeve shrinks and adapts to the shape of the capillary. NOTE In order to arrange capillaries more clearly, they can be bundled with the spiral band (6.1815.010). ￭￭￭￭￭￭￭￭ 930 Compact IC Flex Oven/Deg (2.930.2160)

  • Page 25: Removing Transport Locking Screws

    For the vacuum pump. Only present if the For the high-pressure pump. instrument has a degasser or a CO Suppres- sor (MCS). 1 Remove all of the transport locking screws with the hex key. 930 Compact IC Flex Oven/Deg (2.930.2160) ￭￭￭￭￭￭￭￭...

  • Page 26: Connecting The Drainage Tubing And Leak Sensor

    Accessories For this step you need the following parts from the accessory kit: Vario/ Flex Basic (6.5000.000): 2 × silicone tubing (6.1816.020) ￭ Y connector (6.1807.010) ￭ You also need scissors. ￭￭￭￭￭￭￭￭ 930 Compact IC Flex Oven/Deg (2.930.2160)
  • Page 27 Attach the loose end to the right-side drainage tubing connection on the base tray. 6 Attach one end of the second piece of silicone tubing to the left-side drainage tubing connection on the base tray. 930 Compact IC Flex Oven/Deg (2.930.2160) ￭￭￭￭￭￭￭￭...

  • Page 28: Connecting The Leak Sensor

    The temperature of the column oven can be configured in the software. The column oven is completely connected. No installation work is required. ￭￭￭￭￭￭￭￭ 930 Compact IC Flex Oven/Deg (2.930.2160)

  • Page 29: Connecting The Eluent Bottle

    Push the loose end of the eluent aspiration tubing through the ￭ M8 opening of the bottle cap and screw it on for the time being. Figure 7 Installing the eluent bottle cap 930 Compact IC Flex Oven/Deg (2.930.2160) ￭￭￭￭￭￭￭￭...
  • Page 30 ￭ Immerse the aspiration filter tin a vessel with ultrapure water or ￭ eluent. Fill the syringe completely with ultrapure water or eluent 3 times ￭ and then empty it again each time. ￭￭￭￭￭￭￭￭ 930 Compact IC Flex Oven/Deg (2.930.2160)

  • Page 31: Figure 8 Installing The Tubing Weighting And Aspiration Filter

    Then fix it in place using the M8 tubing nipple. Seal the M6 opening on the bottle cap with the M6 threaded ￭ stopper from the accessory set. 930 Compact IC Flex Oven/Deg (2.930.2160) ￭￭￭￭￭￭￭￭...
  • Page 32 Fill the adsorber tube and close it again using the plastic cover. Insert the adsorber tube into the bottle cap's large opening. Fas- ￭ ten it to the bottle cap using the ground-joint clip (6.2023.020). ￭￭￭￭￭￭￭￭ 930 Compact IC Flex Oven/Deg (2.930.2160)

  • Page 33: Connecting The Eluent Degasser

    "life history" (operating hours, service data, etc.) are saved. The high-pressure pump consists of: The pump head, which pumps the eluent through the system. ￭ The purge valve used for bleeding the pump head. ￭ 930 Compact IC Flex Oven/Deg (2.930.2160) ￭￭￭￭￭￭￭￭...

  • Page 34: Installing An Inline Filter

    The small filter pads with 2 µm pore size can be replaced quickly and easily. They remove particles from the solutions. An inline filter (6.2821.120) is installed between the purge valve and the pulsation absorber as protection against particles. ￭￭￭￭￭￭￭￭ 930 Compact IC Flex Oven/Deg (2.930.2160)

  • Page 35: Installing The Pulsation Absorber

    Figure 11 Pulsation absorber Connection capillary PEEK pressure screws, short Connection to inline filter. (6.2744.070) Pulsation absorber (6.2620.150) Holder for pulsation absorber Connection capillary Connection to injection valve. 930 Compact IC Flex Oven/Deg (2.930.2160) ￭￭￭￭￭￭￭￭...

  • Page 36: Injection Valve

    The quantity of sample solution injected is determined by: the volume of the sample loop or ￭ by an 800 Dosino when the Metrohm intelligent Partial Loop Injection ￭ Technique (MiPT) is used. The choice of sample loop depends on the application. The following...

  • Page 37: Figure 12 Exchanging The Sample Loop

    Fasten one end of the sample loop to Port 3 using a PEEK pressure ￭ screw (6.2744.010). Use the second PEEK pressure screw (6.2744.010) to fasten the ￭ other end of the sample loop to Port 6. 930 Compact IC Flex Oven/Deg (2.930.2160) ￭￭￭￭￭￭￭￭...

  • Page 38: Installing The Conductivity Detector

    Coupling (6.2744.040) ￭ 2 × pressure screw (6.2744.010) ￭ 1 Connect the column inlet capillary and the detector inlet capillary to one another using a coupling (6.2744.040) and two short pressure screws (6.2744.070). ￭￭￭￭￭￭￭￭ 930 Compact IC Flex Oven/Deg (2.930.2160)

  • Page 39: Installing The Amperometric Detector

    The rinsing time increases by at least two minutes when the sample degasser is connected. Accessories For this step, you need the following accessories: 2 × pressure screw, long (6.2744.090) ￭ PTFE capillary (6.1803.040) ￭ 930 Compact IC Flex Oven/Deg (2.930.2160) ￭￭￭￭￭￭￭￭...
  • Page 40 3 Connecting the inlet capillary Push a long pressure screw over one end of the PTFE capillary ￭ (6.1803.040) and tighten the pressure screw to the inlet of the sample degasser (labeled In). ￭￭￭￭￭￭￭￭ 930 Compact IC Flex Oven/Deg (2.930.2160)

  • Page 41: Connecting The Instrument To A Computer

    Basic (6.5000.000) Connecting the USB cable 1 Insert the USB cable into the computer connection socket on the rear of the instrument. 2 Insert the other end into a USB port on the computer. 930 Compact IC Flex Oven/Deg (2.930.2160) ￭￭￭￭￭￭￭￭...

  • Page 42: Connecting The Instrument To The Power Grid

    Unplug the power plug immediately if you suspect that moisture has ￭ gotten inside the instrument. Only personnel who have been issued Metrohm qualifications may ￭ perform service and repair work on electrical and electronic parts. Connecting the power cord...

  • Page 43: Initial Start-Up

    Switch on the instrument. ￭ MagIC Net detects the instrument and all of its modules. 3 Starting equilibration Start the equilibration in MagIC Net: Workplace ▶ Run ▶ Equi- ￭ libration ▶ Start HW. 930 Compact IC Flex Oven/Deg (2.930.2160) ￭￭￭￭￭￭￭￭...
  • Page 44 Remove the syringe from the purge needle. ￭ Pull the purge needle out of the purge capillary. ￭ 5 Rinsing the instrument without columns Rinse the instrument (without columns) with eluent for 10 ￭ minutes. ￭￭￭￭￭￭￭￭ 930 Compact IC Flex Oven/Deg (2.930.2160)

  • Page 45: Connecting And Rinsing The Guard Column

    Connecting and rinsing the guard column Guard columns protect separation columns and significantly increase their service life. The guard columns available from Metrohm are either actual guard columns or guard column cartridges used together with a cartridge holder. The process of installing a guard column cartridge into the corre- sponding holder is described in the guard column leaflet.
  • Page 46 Place a beaker under the guard column's outlet. ￭ Start manual control in MagIC Net and select the high-pressure ￭ pump: Manual ▶ Manual control ▶ Pump – Flow: in accordance with column leaflet – On ￭￭￭￭￭￭￭￭ 930 Compact IC Flex Oven/Deg (2.930.2160)

  • Page 47: Connecting The Separation Column

    NOTE Information regarding which separation column is suitable for your application can be found in the Metrohm Column Program, the product information for the separation column or it can be obtained through your representative.
  • Page 48 3.19 Connecting the separation column ￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭ Connecting the separation column 1 Removing the stoppers Remove the stoppers from the separation column. ￭ ￭￭￭￭￭￭￭￭ 930 Compact IC Flex Oven/Deg (2.930.2160)
  • Page 49 6 Inserting the separation column Insert the separation column with the chip into the column holder ￭ until you hear it snap in place. The separation column is now detected by MagIC Net. 930 Compact IC Flex Oven/Deg (2.930.2160) ￭￭￭￭￭￭￭￭...

  • Page 50: Conditioning

    Ensure that the eluent aspiration tubing is immersed in the eluent ￭ and that there is enough eluent in the eluent bottle. 3 Starting equilibration Start the equilibration in MagIC Net: Workplace ▶ Run ▶ Equi- ￭ libration ▶ Start HW. ￭￭￭￭￭￭￭￭ 930 Compact IC Flex Oven/Deg (2.930.2160)
  • Page 51 4 Conditioning the system Continue rinsing the system with eluent until the desired stability level for the baseline has been attained . The instrument is now ready for measuring samples. 930 Compact IC Flex Oven/Deg (2.930.2160) ￭￭￭￭￭￭￭￭...

  • Page 52: Operation

    The 930 Compact IC Flex Oven/Deg is operated solely using the MagIC Net software. You can find information on operating the software in the tutorial for MagIC Net or in the online help. ￭￭￭￭￭￭￭￭ 930 Compact IC Flex Oven/Deg (2.930.2160)

  • Page 53: Operation And Maintenance

    Maintenance by Metrohm Service Maintenance of the instrument is best carried out as part of an annual service performed by specialist personnel from Metrohm. A shorter main- tenance interval is recommended if you frequently work with caustic and corrosive chemicals. Metrohm Service offers every form of technical advice for maintenance and service of all Metrohm instruments.

  • Page 54: Shutting Down And Recommissioning

    3 Rinse the IC system for 15 minutes with methanol/ultrapure water mixture (1:4). 4 Optional: Only if the IC system is equipped with a suppressor. In the software, switch the Metrohm Suppressor Module (MSM) twice during the rinsing process at five-minute intervals in each case (STEP command).

  • Page 55: Capillary Connections

    Column oven – Replacing the capillaries There are preheating grooves in the inner side wall of the column oven, where the column inlet capillary has already been inserted and fastened in place with a holder plate. 930 Compact IC Flex Oven/Deg (2.930.2160) ￭￭￭￭￭￭￭￭...

  • Page 56: Figure 13 Column Oven

    For hanging the separation column (iCol- umn). With column recognition. Preheating grooves Holder plate For threading in the capillary to be temp- For securing the capillary in place. erature-conditioned. Recesses Prevent the capillaries from being pinched. ￭￭￭￭￭￭￭￭ 930 Compact IC Flex Oven/Deg (2.930.2160)

  • Page 57: Handling The Eluent

    "p.a.". They may be diluted only by using ultrapure water (resistance > 18.2 MΩ*cm). (These specifications apply generally for all reagents used in ion chromatography.) Newly manufactured eluents always need to be microfiltered (0.45 µm fil- ter). 930 Compact IC Flex Oven/Deg (2.930.2160) ￭￭￭￭￭￭￭￭...

  • Page 58: Changing The Eluent

    You can find these parts in the accessory kit: Vario/Flex Basic (6.5000.000) Wrench (6.2621.050) ￭ Loosening the connecting tubing Loosen the clamping screws with the wrench. ￭ Unscrew the clamping screws by hand and pull them out of the ￭ connector. ￭￭￭￭￭￭￭￭ 930 Compact IC Flex Oven/Deg (2.930.2160)

  • Page 59: Notes On Operating The High-Pressure Pump

    In order to protect the pump seals, ensure that the pump is never oper- ￭ ated dry. Therefore ensure that the eluent supply is correctly connected and that there is enough eluent in the eluent bottle each time before turning on the pump. 930 Compact IC Flex Oven/Deg (2.930.2160) ￭￭￭￭￭￭￭￭...

  • Page 60: Servicing The High-Pressure Pump

    ￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭ Servicing the high-pressure pump NOTE You can find a video sequence for this task in the Multimedia Guide IC Maintenance or on the Internet at http://ic-help.metrohm.com/. Figure 14 High-pressure pump – Parts Pressure screw, short (6.2744.070) Outlet valve holder Fastened to the outlet valve holder.
  • Page 61 Internet at http://ic-help.metrohm.com/. Servicing the outlet valve and inlet valve Accessories For this step, you need the following accessories: You can find these parts in the accessory kit: Vario/Flex Basic (6.5000.000). Adjustable wrench (6.2621.000) ￭ 930 Compact IC Flex Oven/Deg (2.930.2160) ￭￭￭￭￭￭￭￭...
  • Page 62 RBS™ solution or acetone. The rinsing solution may only come out at the valve outlet. The outlet valve must be replaced if it is still clogged after cleaning. ￭￭￭￭￭￭￭￭ 930 Compact IC Flex Oven/Deg (2.930.2160)
  • Page 63 ¾ turn using the adjustable wrench (3). Tighten the connection capillary to the auxiliary piston back onto ￭ the outlet valve holder. 930 Compact IC Flex Oven/Deg (2.930.2160) ￭￭￭￭￭￭￭￭...
  • Page 64 RBS™ solution or acetone. The rinsing solution may only come out at the valve outlet. The inlet valve must be replaced if it is still clogged after cleaning. ￭￭￭￭￭￭￭￭ 930 Compact IC Flex Oven/Deg (2.930.2160)
  • Page 65 You can find these parts in the accessory kit: Vario/Flex Basic (6.5000.000). 4 mm hex key (6.2621.030) ￭ Removing the pump head Prerequisites: Is the high-pressure pump switched off? ￭ Has the pressure been released? ￭ Is the instrument switched off? ￭ 930 Compact IC Flex Oven/Deg (2.930.2160) ￭￭￭￭￭￭￭￭...

  • Page 66: Servicing The Piston

    Servicing the piston Carry out the following work on both pistons in turn. Servicing a piston consists of the following tasks: Replace the piston seal. Clean or replace the zirconium oxide piston. Reinstall the piston. ￭￭￭￭￭￭￭￭ 930 Compact IC Flex Oven/Deg (2.930.2160)

  • Page 67: Figure 15 High-Pressure Pump - Cross-Section

    (6.5000.000). Adjustable wrench (6.2621.000) ￭ Tool for piston seals (6.2617.010) consisting of a tip (16-1) for remov- ￭ ing the old piston seal and a sleeve (16-2) for inserting the new piston seal. 930 Compact IC Flex Oven/Deg (2.930.2160) ￭￭￭￭￭￭￭￭...

  • Page 68: Figure 16 Tool For Piston Seal (6.2617.010)

    Loosen the piston cartridge (17-1) using the adjustable wrench and then unscrew it from the pump head by hand. Set it aside. 2 Removing the backup ring Shake the backup ring (17-2) out of the piston opening. Set it aside. ￭￭￭￭￭￭￭￭ 930 Compact IC Flex Oven/Deg (2.930.2160)

  • Page 69: Figure 18 Inserting The Piston Seal Into The Tool

    Press the seal into the pump head recess using the wide end of the tip (16-1) of the tool. Cleaning or replacing the zirconium oxide piston Prerequisites: 930 Compact IC Flex Oven/Deg (2.930.2160) ￭￭￭￭￭￭￭￭...

  • Page 70: Figure 19 Parts Of The Piston Cartridge

    Place the backup ring you put aside with the remaining parts. ￭ Figure 19 Parts of the piston cartridge Piston cartridge screw Retaining washer Zirconium oxide piston (6.2824.070) Spring retainer Spring (6.2824.060) Inner plastic sleeve Protects from metallic abrasion. Piston cartridge Backup ring ￭￭￭￭￭￭￭￭ 930 Compact IC Flex Oven/Deg (2.930.2160)
  • Page 71 Clean the second piston cartridge in the same way. Mounting the pump head Accessories For this step, you need the following accessories: You can find these parts in the accessory kit: Vario/Flex Basic (6.5000.000). 930 Compact IC Flex Oven/Deg (2.930.2160) ￭￭￭￭￭￭￭￭...
  • Page 72 The bore hole with the greatest depth must therefore be aligned with the longest bolt. Push the pump head onto the four fastening bolts (1). ￭ Tighten the four fastening screws using the hex key (6.2621.030) ￭ alternating crosswise. ￭￭￭￭￭￭￭￭ 930 Compact IC Flex Oven/Deg (2.930.2160)

  • Page 73: Servicing The Inline Filter

    Servicing the inline filter NOTE You can find a video sequence for this task in the Multimedia Guide IC Maintenance or on the Internet at http://ic-help.metrohm.com/. Maintenance interval The filter must be replaced at least every 3 months; it may need to be replaced more frequently, depending on the application.

  • Page 74: Figure 20 Inline Filter - Removing The Filter

    3 Unscrewing the filter screw Use two adjustable wrenches (6.2621.000) to loosen the filter screw (20-2) from the filter housing (20-1) and unscrew it by hand. 4 Removing the filter Remove the old filter (20-3) using tweezers. ￭￭￭￭￭￭￭￭ 930 Compact IC Flex Oven/Deg (2.930.2160)
  • Page 75 4 Rinsing the inline filter Dismantle the guard column (if present) and the separation col- ￭ umn and replace with a coupling (6.2744.040). Rinse the instrument with eluent. ￭ Reinsert the columns after 10 minutes. ￭ 930 Compact IC Flex Oven/Deg (2.930.2160) ￭￭￭￭￭￭￭￭...

  • Page 76: Servicing The Pulsation Absorber

    1 Emptying the sample path Pump air through the sample path (pump tubing, tubing connec- tions, capillary in the degasser, sample loop) for several minutes until all liquid is displaced by the air. ￭￭￭￭￭￭￭￭ 930 Compact IC Flex Oven/Deg (2.930.2160)
  • Page 77 A. The smaller this ratio, the smaller the amount of sample carry- over. This ratio can be changed by varying the rinsing time. This can be used to determine the required rinsing time for the application. 930 Compact IC Flex Oven/Deg (2.930.2160) ￭￭￭￭￭￭￭￭...

  • Page 78: Separation Column

    You can find detailed information on the separation columns available from Metrohm in the leaflet provided along with your separation column, in the Metrohm IC Column Program (available from your Metrohm representative) or on the Internet at http://www.metrohm.com...
  • Page 79 ￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭ 5 Operation and maintenance NOTE Regeneration is intended as a last resort. It should not be carried out regularly. 930 Compact IC Flex Oven/Deg (2.930.2160) ￭￭￭￭￭￭￭￭...

  • Page 80: Troubleshooting

    Check the eluent bottle cap (see chapter ￭ eluent is evaporating. 3.6, page 21). Constantly stir the eluent. ￭ The pressure in the The inline filter Replace the filter (6.2821.130) . system markedly (6.2821.120) is blocked. increases. ￭￭￭￭￭￭￭￭ 930 Compact IC Flex Oven/Deg (2.930.2160)
  • Page 81 ￭ "Connecting the separation column", page 40). Note: Samples should always be microfiltered . Injection valve – blocked. Have the valve cleaned (by a Metrohm service engineer). The retention times Eluent - Incorrect concen- Create eluent with correct concentration. in the chromato-...
  • Page 82 Check the installation of the sample loop (see the measured values loop. "Optional: Exchanging the sample loop", are highly scattered. page 28). Sample – There are gas Use the sample degasser . bubbles in the sample. ￭￭￭￭￭￭￭￭ 930 Compact IC Flex Oven/Deg (2.930.2160)
  • Page 83 Request Metrohm Service. Vacuum is not being Seal the Vacuum connector tightly with a Eluent degasser – Vacuum ￭ built connection on the rear of threaded stopper (6.1446.040). the instrument is not (tightly) sealed. 930 Compact IC Flex Oven/Deg (2.930.2160) ￭￭￭￭￭￭￭￭...

  • Page 84: Technical Specifications

    Polyurethane hard foam (PUR) with flame retardation for fire class UL and bottle holder 94 V-0, CFC-free, coated material IP degree of pro- IP 20 tection Controls LED for standby indicator Indicators On/off switch On the rear of the instrument ￭￭￭￭￭￭￭￭ 930 Compact IC Flex Oven/Deg (2.930.2160)

  • Page 85: Weight

    Stability < 0.05 °C Heating time < 30 minutes from 20 to 40 °C Eluent degasser Material Fluoropolymer Resistance to sol- No restriction (except PFC) vents < 60 s Time to establish vacuum 930 Compact IC Flex Oven/Deg (2.930.2160) ￭￭￭￭￭￭￭￭...

  • Page 86: High-Pressure Pump

    The shutdown mechanism is inactive at 0 MPa ￭ The shutdown mechanism becomes active two minutes after sys- ￭ tem start The pump is automatically shut down after three piston strokes ￭ below the minimum pressure limit ￭￭￭￭￭￭￭￭ 930 Compact IC Flex Oven/Deg (2.930.2160)

  • Page 87: Injection Valve

    65 W for typical analysis application ￭ tion 25 W standby (conductivity detector to 40 °C) ￭ Power supply unit up to 300 W maximum, electronically monitored ￭ internal fuse 3.15 A ￭ 930 Compact IC Flex Oven/Deg (2.930.2160) ￭￭￭￭￭￭￭￭...

  • Page 88: Interfaces

    1 15-pin high-density D-sub (female) (labeled Detector) Detector Column recogni- for an intelligent column tion Leak sensor 1 jack plug (labeled Leak Sensor) Further connec- tions Auxiliary 1 15-pin DSUB (female) Service 1 15-pin DSUB (female) ￭￭￭￭￭￭￭￭ 930 Compact IC Flex Oven/Deg (2.930.2160)

  • Page 89: Accessories

    Downloading the accessories list 1 Enter https://www.metrohm.com/ into your Internet browser. 2 Enter the article number (e.g. 2.930.2160) into the search field. The search result is displayed. 3 Click on the product. Detailed information regarding the product is shown on various tabs.

  • Page 90: Index

    Drainage tubing ....18 Pulsation ........53 Eluent bottle ....... 21 Pulsation absorber Electrostatic charge ....4 Guard column ....37 Installation ......27 Eluent Injection valve ....28 Aspirate ......21 Leak sensor ......20 ￭￭￭￭￭￭￭￭ 930 Compact IC Flex Oven/Deg (2.930.2160)
  • Page 91 Technical specifications Installation ......31 Valve Detector ......80 Technical specifications ..79 See also "Injection valve" ..28 Eluent degasser ....77 Sample loop ......28 Voltage ........79 High-pressure pump ... 78 930 Compact IC Flex Oven/Deg (2.930.2160) ￭￭￭￭￭￭￭￭...

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