Metrohm 930 Compact IC Flex ChS Manual
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Metrohm 930 Compact IC Flex ChS Manual

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930 Compact IC Flex
930 Compact IC Flex ChS
Manual
8.930.8003EN / 2017-07-31

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Summary of Contents for Metrohm 930 Compact IC Flex ChS

  • Page 1 930 Compact IC Flex 930 Compact IC Flex ChS Manual 8.930.8003EN / 2017-07-31...
  • 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 930 Compact IC Flex 930 Compact IC Flex ChS 2.930.1200 Manual 8.930.8003EN / 2017-07-31...
  • 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.

  • Page 5: Table Of Contents

    3.10 Metrohm Suppressor Module (MSM) ....... 28 3.10.1 Inserting the rotors ..............28 3.10.2 Connecting the Metrohm Suppressor Module (MSM) ..... 31 3.11 Installing the conductivity detector ........36 3.12 Installing the amperometric detector ....... 37 ￭￭￭￭￭￭￭￭ 930 Compact IC Flex ChS (2.930.1200)
  • Page 6 Protecting the separation column .......... 82 5.13.3 Storing the separation column ..........82 5.13.4 Regenerating the separation column ........82 5.14 Quality management and qualification with Metrohm ... 83 6 Troubleshooting ..................... 84 ￭￭￭￭￭￭￭￭ 930 Compact IC Flex ChS (2.930.1200)
  • Page 7 Leak sensor ................. 89 High-pressure pump ............89 Injection valve ..............90 Metrohm Suppressor Module (MSM) ....... 90 7.10 Detector ................90 7.11 Power connection ............... 91 7.12 Interfaces ................91 8 Accessories Index ￭￭￭￭￭￭￭￭ 930 Compact IC Flex ChS (2.930.1200)
  • Page 8 Figure 11 Pulsation absorber ................25 Figure 12 Exchanging the sample loop ............27 Figure 13 Metrohm Suppressor Module (MSM) – Connection capillaries ..31 Figure 14 High-pressure pump – Parts ............. 55 Figure 15 High-pressure pump – Cross-section ..........62 Figure 16 Tool for piston seal (6.2617.010) .............

  • Page 9: Introduction

    The software controls and monitors the instrument, evaluates the measured data and manages it in a data- base. The 930 Compact IC Flex ChS consists of the following modules: Housing The sturdy housing contains the instrument's electronic components, including their interfaces and one connector for a separation column.
  • Page 10 The rotor required for the application and any adapter that is required must be ordered separately. Detector Metrohm offers a series of different detectors for various analysis tasks. A suitable detector type must be ordered as a separate device. Separation column The intelligent separation column separates different components accord- ing to their interactions with the column.

  • Page 11: Intended Use

    1 Introduction Intended use The 930 Compact IC Flex ChS is used for the determination of anions or polar substances with chemical suppression using ion chromatography. It can also be used as needed for the determination of cations, polar sub- stances or anions without chemical suppression.

  • Page 12: Tubing And Capillary Connections

    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 ChS (2.930.1200)

  • Page 13: Flammable Solvents And Chemicals

    Method Dialog text, parameter in the software File ▶ New Menu or menu item [Next] Button or key WARNING This symbol draws attention to a possible life-threat- ening hazard or risk of injury. ￭￭￭￭￭￭￭￭ 930 Compact IC Flex ChS (2.930.1200)
  • 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 ChS (2.930.1200)

  • Page 15: Overview Of The Instrument

    Offers space for the eluent bottle and addi- For hanging the separation column (iCol- tional accessories. umn). With column recognition. Column chamber Metrohm Suppressor Module (MSM) Inline filter Injection valve Pulsation absorber Base tray With leak sensor. ￭￭￭￭￭￭￭￭ 930 Compact IC Flex ChS (2.930.1200)

  • Page 16: Rear

    11 Detector chamber Offers space for an embedded detector and additional accessories. Rear Figure 2 Rear Bottle holder Drainage tubing connection For connecting the drainage tubing, which guides escaped fluids away from the bottle holder. ￭￭￭￭￭￭￭￭ 930 Compact IC Flex ChS (2.930.1200)
  • Page 17 For connecting the instrument to the com- USB devices. puter with the USB cable (6.2151.020). 19 Power socket Power socket for connecting the power cable and power switch for switching the instrument on and off. ￭￭￭￭￭￭￭￭ 930 Compact IC Flex ChS (2.930.1200)

  • Page 18: Feed-Throughs For Capillaries And Cables

    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 ChS (2.930.1200)

  • Page 19: 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 ChS (2.930.1200)

  • Page 20: Figure 5 Ducts For Capillaries

    ￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭ 2.3 Feed-throughs for capillaries and cables Figure 5 Ducts for capillaries ￭￭￭￭￭￭￭￭ 930 Compact IC Flex ChS (2.930.1200)

  • Page 21: 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 nee- ded. ￭￭￭￭￭￭￭￭ 930 Compact IC Flex ChS (2.930.1200)
  • Page 22 (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 ChS (2.930.1200)
  • Page 23 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 ChS (2.930.1200)

  • Page 24: 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 ChS (2.930.1200)

  • Page 25: 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 ChS (2.930.1200)
  • Page 26 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 ChS (2.930.1200)

  • Page 27: Connecting The Leak Sensor

    (see "Openings on the back panel", page 11) before the loose end can be connected to the eluent bottle. Accessories For this step, you need the following accessories: These parts are part of the accessory kit Vario/Flex ONE (6.5000.010). Eluent bottle (6.1608.070) ￭ ￭￭￭￭￭￭￭￭ 930 Compact IC Flex ChS (2.930.1200)

  • Page 28: Figure 7 Installing The Eluent Bottle Cap

    Lastly, push the filter holder onto the loose end of the eluent aspi- ￭ ration tubing and screw it onto the tubing nipple. The end of the tubing should extend approximately 1 cm. ￭￭￭￭￭￭￭￭ 930 Compact IC Flex ChS (2.930.1200)

  • Page 29: Figure 8 Installing Tubing Weighting And Aspiration Filter

    Installing tubing weighting and aspiration filter 5 Installing the eluent bottle cap on the eluent bottle Insert the eluent aspiration tubing into the eluent bottle ￭ (6.1608.070). Tighten the bottle cap on the eluent bottle. ￭ ￭￭￭￭￭￭￭￭ 930 Compact IC Flex ChS (2.930.1200)
  • Page 30 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 SGJ clip (6.2023.020). ￭￭￭￭￭￭￭￭ 930 Compact IC Flex ChS (2.930.1200)

  • Page 31: Installing The High-Pressure Pump

    "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 ChS (2.930.1200)

  • Page 32: 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 ChS (2.930.1200)

  • Page 33: 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 ChS (2.930.1200)

  • Page 34: 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 35: 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 ChS (2.930.1200)

  • Page 36: Metrohm Suppressor Module (Msm)

    Rotor A (6.2844.000), must first be fitted into the adapter (6.2842.020), which can then be inserted into the suppressor housing. A connecting piece (6.2835.010) is used for all rotors for connecting the Metrohm Suppressor Module (MSM) to the IC system. 6.2842.020 6.2842.020 6.2844.000...
  • Page 37 ￭￭￭￭￭￭￭￭ 930 Compact IC Flex ChS (2.930.1200)
  • Page 38 You need the adapter (6.2842.020) in order to insert a small rotor into the suppressor drive. 1 Inserting the rotor into the adapter CAUTION An incorrectly inserted rotor may be destroyed during start-up. ￭￭￭￭￭￭￭￭ 930 Compact IC Flex ChS (2.930.1200)

  • Page 39: Connecting The Metrohm Suppressor Module (Msm)

    The three entries and exits of the suppressor units, numbered 1, 2 and 3 on the connecting piece, each have two permanently installed PTFE capil- laries. Figure 13 Metrohm Suppressor Module (MSM) – Connection capillaries Outlet capillary for the eluent. Inlet capillary for the eluent. ￭￭￭￭￭￭￭￭...
  • Page 40 (6.2744.070). 2 Connect the capillary labeled out to the detector inlet capillary using one coupling (6.2744.040) and two pressure screws (6.2744.070) (see manual of the conductivity detector). ￭￭￭￭￭￭￭￭ 930 Compact IC Flex ChS (2.930.1200)
  • Page 41 The regeneration solution is connected to the regenerant capillary. Connecting the regeneration solution to a Dosino For this step, you need the following accessories: Dosino (2.800.0010) ￭ Accessory kit: Flex/Vario: ChS (6.5000.030) ￭ IC equipment: Dosino Regeneration (6.5330.190) ￭ ￭￭￭￭￭￭￭￭ 930 Compact IC Flex ChS (2.930.1200)
  • Page 42 4 Connect the FEP tubing (6.1805.120) from the bottle with the regen- eration solution to Port 2 of the Dosino. 3.10.2.4 Connecting the rinsing solution Various possibilities exist for rinsing the Metrohm Suppressor Module: Rinsing solution via STREAM (recommended) ￭ Use the eluent from the conductivity detector as rinsing solution.
  • Page 43 3 short pressure screws (6.2744.070) ￭ Inline filter (6.2821.120) ￭ PTFE capillary (6.1803.030) ￭ Adapter M6/UNF (6.2744.080) ￭ FEP tubing M6 / 100 cm (6.1805.120) ￭ Adapter Dosino Port 4, M6 inner (6.1808.280) ￭ ￭￭￭￭￭￭￭￭ 930 Compact IC Flex ChS (2.930.1200)

  • Page 44: Installing The Conductivity Detector

    The separation column is not inserted into the instrument until it is being started up for the first time. Until then, the detector inlet capillary has to be connected to the out capillary of the Metrohm Suppressor Module (MSM) using a coupling (6.2744.040).

  • Page 45: Installing The Amperometric Detector

    Coupling (6.2744.040) ￭ 2 × pressure screw (6.2744.010) ￭ 1 Connect the out capillary of the Metrohm Suppressor Module (MSM) and the detector inlet capillary to each other using a coupling (6.2744.040) and two short pressure screws (6.2744.070). 3.12 Installing the amperometric detector The 930 Compact IC Flex provides enough space for one detector and additional accessories in the detector chamber.

  • Page 46: 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 qualification may ￭ perform service and repair work on electrical and electronic parts. ￭￭￭￭￭￭￭￭...

  • Page 47: Initial Start-Up

    Also see: MagIC Net Tutorial and online help. 2 Preparing the instrument Ensure that the eluent aspiration tubing is immersed in the eluent ￭ and that there is enough eluent in the eluent bottle. ￭￭￭￭￭￭￭￭ 930 Compact IC Flex ChS (2.930.1200)
  • Page 48 Check whether the detector outlet capillary is connected to the Metrohm Suppressor Module (MSM)'s inlet capillary for rinsing solu- tion (labeled rinsing solution).

  • Page 49: 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 50 Remove the coupling (6.2744.040) installed between the column inlet capillary and the column outlet capillary for the initial start-up. 2 Preparing the guard column Remove the stoppers or the stopper and the sealing cap from the ￭ guard column. ￭￭￭￭￭￭￭￭ 930 Compact IC Flex ChS (2.930.1200)

  • Page 51: 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 52 Applications area or request http://www.metrohm.com them from your responsible Metrohm representative free of charge. CAUTION New separation columns are filled with a solution and sealed with stop- pers on both sides. Before inserting the column, ensure that this solu- tion can be mixed with the eluent being used (follow the information provided by the manufacturer).
  • Page 53 ￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭ 3 Installation Connecting the separation column 1 Removing the stoppers Remove the stoppers from the separation column. ￭ ￭￭￭￭￭￭￭￭ 930 Compact IC Flex ChS (2.930.1200)
  • Page 54 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 ChS (2.930.1200)

  • Page 55: 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 ▶ Equili- ￭ bration ▶ Start HW. ￭￭￭￭￭￭￭￭ 930 Compact IC Flex ChS (2.930.1200)
  • Page 56 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 ChS (2.930.1200)

  • Page 57: Operation

    ￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭ 4 Operation 4 Operation The 930 Compact IC Flex ChS is operated solely using the MagIC Net soft- ware. You can find information on operating the software in the tutorial for MagIC Net or in the online help. ￭￭￭￭￭￭￭￭...

  • Page 58: 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 59: 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 60: Capillary Connections

    To protect the IC system from foreign particles, we recommend aspirat- ￭ ing the eluent via an aspiration filter (see Chapter 3.5, page 19) (6.2821.090). This aspiration filter must be replaced as soon as it turns yellow but at least every 3 months. ￭￭￭￭￭￭￭￭ 930 Compact IC Flex ChS (2.930.1200)

  • Page 61: Manufacturing Eluent

    NOTE To change the eluent, remove the guard column and the separation col- umn. Connect the capillaries using a coupling (6.2744.040) and two pressure screws (6.2744.070). ￭￭￭￭￭￭￭￭ 930 Compact IC Flex ChS (2.930.1200)

  • Page 62: Notes On Operating 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/. ￭￭￭￭￭￭￭￭ 930 Compact IC Flex ChS (2.930.1200)

  • Page 63: Figure 14 High-Pressure Pump - Parts

    Maintenance tasks can also be carried out if the following problems occur: Unstable baseline (pulsations, flow fluctuations) ￭ CAUTION Maintenance work on the high-pressure pump may not be carried out unless the instrument is switched off. ￭￭￭￭￭￭￭￭ 930 Compact IC Flex ChS (2.930.1200)
  • Page 64 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 ChS (2.930.1200)
  • Page 65 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 ChS (2.930.1200)
  • Page 66 ¼ turn using the adjustable wrench (3). Tighten the connection capillary to the auxiliary piston back onto ￭ the outlet valve holder. ￭￭￭￭￭￭￭￭ 930 Compact IC Flex ChS (2.930.1200)
  • Page 67 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 ChS (2.930.1200)
  • Page 68 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 ChS (2.930.1200)
  • Page 69 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 ChS (2.930.1200)

  • Page 70: 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 ChS (2.930.1200)

  • Page 71: 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 ChS (2.930.1200)

  • Page 72: 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 ChS (2.930.1200)

  • Page 73: 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 ChS (2.930.1200)
  • Page 74 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 ChS (2.930.1200)
  • Page 75 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 ChS (2.930.1200)

  • Page 76: 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 77: 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 ChS (2.930.1200)
  • Page 78 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 ChS (2.930.1200)

  • Page 79: Servicing The Pulsation Absorber

    If the Metrohm Suppressor Module (MSM) is in a dry state, it must be rinsed for at least five minutes before it may be switched over.

  • Page 80: Taking Care Of The Suppressor Housing

    ￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭ 5.10 Metrohm Suppressor Module (MSM) CAUTION The Metrohm Suppressor Module (MSM) must be regenerated (see Chapter 5.10.3.2, page 73), cleaned (see Chapter 5.10.3.4, page 75) or replaced (see Chapter 5.10.3.5, page 78) if the capacity of the Met- rohm Suppressor Module (MSM) is reduced or if the back pressure is high.
  • Page 81 Pump tubing made of PVC must not be used for solutions containing organic solvents. We recommend using the high-pressure pump for regeneration. Regenerating the anion suppressor rotor 1 Disconnecting the Metrohm Suppressor Module (MSM) from the IC system Disconnect the capillaries of the MSM labeled regenerant and ￭...
  • Page 82 As soon as all three suppressor units have been rinsed, disconnect ￭ the capillary labeled rinsing solution from the coupling. 4 Connecting the Metrohm Suppressor Module (MSM) to the IC system Reconnect the capillaries of the MSM labeled regenerant and ￭...
  • Page 83 Equilibrate the system as usual (see chapter "Conditioning" in the manual for the ion chromatograph). 5.10.3.4 Cleaning the Metrohm Suppressor Module (MSM) In the following cases, it may be necessary to clean the Metrohm Suppres- sor Module (MSM): Increased back pressure at the MSM's connection tubing. ￭ ￭￭￭￭￭￭￭￭...
  • Page 84 Check whether water comes out at the connecting piece. ￭ If one of the capillaries remains blocked, the connecting piece (see "Replacing parts of the Metrohm Suppressor Module (MSM)", page 78) must be replaced (order number 6.2835.010). 4 Cleaning the rotor Clean the sealing surface of the rotor (21-3) with ethanol using a ￭...
  • Page 85 Reattach the union nut (21-1) and tighten by hand (do not use a ￭ tool). 8 Connecting and conditioning the Metrohm Suppressor Mod- ule (MSM) Reconnect the MSM to the IC system. ￭...
  • Page 86 5.10 Metrohm Suppressor Module (MSM) 5.10.3.5 Replacing parts of the Metrohm Suppressor Module (MSM) Parts of the Metrohm Suppressor Module (MSM) may need to be replaced in the following cases: Irremediable loss of suppressor capacity (reduced phosphate sensitivity ￭ and/or significant rise in the baseline).
  • Page 87 1 is on top and the three pins of the connecting piece fit into the corresponding recesses on the housing. Reattach the union nut (21-1) and tighten by hand (do not use a ￭ tool). ￭￭￭￭￭￭￭￭ 930 Compact IC Flex ChS (2.930.1200)

  • Page 88: Servicing The Detector

    ￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭ 5.11 Servicing the detector 7 Connecting and conditioning the Metrohm Suppressor Mod- ule (MSM) Reconnect all capillaries of the MSM to the IC system. ￭ Before switching the MSM over for the first time, rinse the three ￭ suppressor units with solution for five minutes.
  • Page 89 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 ChS (2.930.1200)

  • Page 90: 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 91: Quality Management And Qualification With Metrohm

    Metrohm offers you comprehensive support in implementing quality man- agement measures for instruments and software. Qualification Please contact your local Metrohm representative for support in qualifica- tion of instruments and software. The Installation Qualification (IQ) and Operational Qualification (OQ) are offered by Metrohm represen- tatives as a service.

  • Page 92: Troubleshooting

    Replace the filter (6.2821.130) . system markedly (6.2821.120) is blocked. increases. The MSM is blocked. Regenerate the MSM (see Chapter ￭ 5.10.3.2, page 73). Note: 6.2821.180 pump tubing connection with filter must be used. ￭￭￭￭￭￭￭￭ 930 Compact IC Flex ChS (2.930.1200)
  • Page 93 Replace the separation column (see "Con- ￭ necting the separation column", page 45). 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.
  • Page 94 Dead volume in the sys- 3.2, page 13) (use PEEK capillaries with an chromatogram. tem. inner diameter of 0.25 mm between the injec- Splitting (dual tion valve and detector). peaks) ￭￭￭￭￭￭￭￭ 930 Compact IC Flex ChS (2.930.1200)
  • Page 95 Use the sample degasser . bubbles in the sample. Sample – The rinsing vol- Increase the rinsing time (see Chapter 5.12, ume is too small. page 80). Injection valve – Defective. Request Metrohm Service. ￭￭￭￭￭￭￭￭ 930 Compact IC Flex ChS (2.930.1200)

  • Page 96: Technical Specifications

    Ambient conditions Operation Ambient tem- +5 - +45 °C perature Humidity 20 - 80% relative humidity Storage Ambient tem- –20 - +70 °C perature Transport Ambient tem- –40 - +70 °C perature ￭￭￭￭￭￭￭￭ 930 Compact IC Flex ChS (2.930.1200)

  • Page 97: Housing

    Reproducibility of the eluent flow Pressure range Pump 0 - 50.0 MPa (0 - 500 bar) Pump head 0 - 35.0 MPa (0 - 350 bar) (applies for the standard PEEK pump head) ￭￭￭￭￭￭￭￭ 930 Compact IC Flex ChS (2.930.1200)

  • Page 98: Injection Valve

    Material Metrohm Suppressor Module (MSM) Resistance to sol- No restriction vents Switching time typ. 100 ms 7.10 Detector You can find the technical specifications for the detector in the manual for the detector. ￭￭￭￭￭￭￭￭ 930 Compact IC Flex ChS (2.930.1200)

  • Page 99: Power Connection

    1 15-pin high-density D-sub (female) (labeled 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 ChS (2.930.1200)

  • Page 100: Accessories

    The PDF file with the accessories data will be created. NOTE When you receive your new instrument, we recommend downloading the accessories list from the Internet, printing it out and keeping it together with the manual for reference purposes. ￭￭￭￭￭￭￭￭ 930 Compact IC Flex ChS (2.930.1200)

  • Page 101: Index

    Piston of the high-pressure pump Maintenance ...... 71 Dimensions ......89 ..........55 Technical specifications ..90 Door ........52 Piston seal ........ 55 Inline filter ........ 24 Power connection ..38, 39, 91 ￭￭￭￭￭￭￭￭ 930 Compact IC Flex ChS (2.930.1200)
  • Page 102 Vacuum pump Rinsing time ......81 Maintenance ...... 71 Protection ......17 Operation ......71 Valve Replacing parts ....78 Safety instructions ...... 3 See also "Injection valve" ..26 Switching ......71 ￭￭￭￭￭￭￭￭ 930 Compact IC Flex ChS (2.930.1200)

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