Metrohm 930 Compact IC Flex SeS/PP Manual
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Metrohm 930 Compact IC Flex SeS/PP Manual

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930 Compact IC Flex
930 Compact IC Flex SeS/PP
Manual
8.930.8009EN / v4 / 2023-03-31

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Summary of Contents for Metrohm 930 Compact IC Flex SeS/PP

  • Page 1 930 Compact IC Flex 930 Compact IC Flex SeS/PP Manual 8.930.8009EN / v4 / 2023-03-31...
  • 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 SeS/PP 2.930.1500 Manual 8.930.8009EN / v4 / 2023-03-31...
  • Page 4 Disclaimer Deficiencies arising from circumstances that are not the responsibility of Metrohm, such as improper storage or improper use, etc., are expressly excluded from the warranty. Unauthorized modifications to the product (e.g. conversions or attachments) exclude any liability on the part of the manufacturer for resulting damage and its consequences.

  • Page 5: Table Of Contents

    Connecting the leak sensor ............ 21 Connecting the eluent bottle ..........21 Installing the high-pressure pump ........25 Installing an inline filter ............. 26 Installing the pulsation absorber ........27 Injection valve ..............28 930 Compact IC Flex SeS/PP (2.930.1500) ￭￭￭￭￭￭￭￭...
  • Page 6 ￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭ 4.10 Metrohm Suppressor Module (MSM) ....... 30 4.10.1 Inserting the rotors ..............30 4.10.2 Connecting the Metrohm Suppressor Module (MSM) ..... 33 4.11 Peristaltic pump ..............38 4.11.1 Installing the peristaltic pump ..........38 4.11.2 Mode of operation for the peristaltic pump ......42 4.12 Metrohm CO...
  • Page 7 ￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭ Table of contents 6.10.3 Servicing the Metrohm Suppressor Module (MSM) ....82 6.11 Peristaltic pump ..............90 6.11.1 Notes on operating the peristaltic pump ........ 90 6.11.2 Servicing the peristaltic pump ..........90 6.12 Maintenance on the Metrohm CO Suppressor (MCS) ..
  • Page 8 Figure 11 Pulsation absorber ................27 Figure 12 Exchanging the sample loop ............29 Figure 13 Metrohm Suppressor Module (MSM) – Connection capillaries ..33 Figure 14 Peristaltic pump ................42 Figure 15 Connecting the MCS ............... 44 Figure 16 High-pressure pump –...

  • Page 9: Introduction

    The software controls and monitors the device, evaluates the measured data and manages it in a database. The 930 Compact IC Flex SeS/PP 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 This lowers the background conductivity, improves detection sen- sitivity and minimizes the injection peak and system peak. 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: Accessories And Additional Information

    ￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭ 1 Introduction Accessories and additional information Additional information is available on the Metrohm website (https:// www.metrohm.com): Product family ￭ Product versions ￭ Accessories ￭ Documents about the product ￭ Downloading the accessories list NOTE The accessories list is a part of the product documentation. Download the accessories list and store it as a reference.
  • Page 12 This symbol draws attention to a possible biological hazard. WARNING Warning of optical radiation CAUTION This symbol draws attention to possible damage to instruments or instrument parts. NOTICE This symbol highlights additional information and tips. ￭￭￭￭￭￭￭￭ 930 Compact IC Flex SeS/PP (2.930.1500)

  • Page 13: Intended Use

    ￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭ 2 Safety 2 Safety Intended use The 930 Compact IC Flex SeS/PP is used for the determination of anions, cations or polar substances with sequential suppression using ion chroma- tography. Sequential suppression consists of: Chemical suppression with a Metrohm Suppressor Module (MSM) and ￭...

  • Page 14: Requirements For Operating Personnel

    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. ￭￭￭￭￭￭￭￭ 930 Compact IC Flex SeS/PP (2.930.1500)

  • Page 15: 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 SeS/PP (2.930.1500) ￭￭￭￭￭￭￭￭...

  • Page 16: Flammable Solvents And Chemicals

    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. ￭￭￭￭￭￭￭￭ 930 Compact IC Flex SeS/PP (2.930.1500)

  • Page 17: Overview Of The Device

    Bottle holder Column holder For hanging the separation column (iCol- umn). With column recognition. Column chamber Metrohm Suppressor Module (MSM) Inline filter Injection valve Pulsation absorber Base tray Purge valve 10 High-pressure pump 930 Compact IC Flex SeS/PP (2.930.1500) ￭￭￭￭￭￭￭￭...

  • Page 18: Rear

    Drainage tubing connection For connecting the drainage tubing, which guides escaped fluids away from the bottle holder. Knurled screws Back panel For fastening the removable back panel. Removable. Enables access to the detector chamber. ￭￭￭￭￭￭￭￭ 930 Compact IC Flex SeS/PP (2.930.1500)
  • Page 19 For connecting the instrument to the com- Plugged with a stopper. puter with the USB cable (6.2151.020). 21 Power socket Power socket for connecting the power cable and power switch for switching the instrument on and off. 930 Compact IC Flex SeS/PP (2.930.1500) ￭￭￭￭￭￭￭￭...

  • Page 20: 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 SeS/PP (2.930.1500)

  • Page 21: 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 SeS/PP (2.930.1500) ￭￭￭￭￭￭￭￭...

  • Page 22: Figure 5 Ducts For Capillaries

    3.3 Feed-throughs for capillaries and cables ￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭ Figure 5 Ducts for capillaries ￭￭￭￭￭￭￭￭ 930 Compact IC Flex SeS/PP (2.930.1500)

  • Page 23: Setting Up The Instrument

    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 SeS/PP (2.930.1500) ￭￭￭￭￭￭￭￭...
  • Page 24 (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 SeS/PP (2.930.1500)
  • Page 25 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 SeS/PP (2.930.1500) ￭￭￭￭￭￭￭￭...

  • Page 26: 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 SeS/PP (2.930.1500)

  • Page 27: 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 SeS/PP (2.930.1500) ￭￭￭￭￭￭￭￭...
  • Page 28 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 SeS/PP (2.930.1500)

  • Page 29: Connecting The Leak Sensor

    (see "Openings on the back panel", page 13) 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 Vario/Flex ONE accessory kit (6.5000.010). Eluent bottle (6.1608.070) ￭ 930 Compact IC Flex SeS/PP (2.930.1500) ￭￭￭￭￭￭￭￭...

  • Page 30: 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 SeS/PP (2.930.1500)

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

    Installing the 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 SeS/PP (2.930.1500) ￭￭￭￭￭￭￭￭...
  • 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 SGJ clip (6.2023.020). ￭￭￭￭￭￭￭￭ 930 Compact IC Flex SeS/PP (2.930.1500)

  • Page 33: Installing The High-Pressure Pump

    "life history" (operating hours, service data, etc.) are stored. 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 SeS/PP (2.930.1500) ￭￭￭￭￭￭￭￭...

  • 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 SeS/PP (2.930.1500)

  • 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 SeS/PP (2.930.1500) ￭￭￭￭￭￭￭￭...

  • 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 SeS/PP (2.930.1500) ￭￭￭￭￭￭￭￭...

  • Page 38: 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 39 930 Compact IC Flex SeS/PP (2.930.1500) ￭￭￭￭￭￭￭￭...
  • Page 40 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 SeS/PP (2.930.1500)

  • Page 41: Connecting The Metrohm Suppressor Module (Msm)

    The 3 entries and exits of the suppressor units, numbered 1, 2 and 3 on the connecting piece, each have 2 permanently installed PTFE capillaries. Figure 13 Metrohm Suppressor Module (MSM) – Connection capillaries Outlet capillary for the eluent. Inlet capillary for the eluent.
  • Page 42 Glass bottle / 1000 mL / GL 45 (6.1608.020) ￭ Bottle cap / GL 45 - 3 × UNF 10/32 (6.1602.150) ￭ PTFE capillaries 0.5 mm inner diameter / 3 m (6.1803.030) ￭ ￭￭￭￭￭￭￭￭ 930 Compact IC Flex SeS/PP (2.930.1500)
  • Page 43 MCS (see chapter 4.12.2, page 43). 4.10.2.2 Installing bottles with auxiliary solutions Accessories To connect the bottles of the auxiliary solutions, you will need the follow- ing accessories: Accessories from the accessory kit: IC Vario/Flex SeS (6.5000.020) ￭ 930 Compact IC Flex SeS/PP (2.930.1500) ￭￭￭￭￭￭￭￭...
  • Page 44 2 Connect the capillary labeled regenerant to the exit of the pump tub- ing using a pressure screw (6.2744.070). 3 Connect the PTFE capillary from the regeneration solution bottle to the inlet of the pump tubing. ￭￭￭￭￭￭￭￭ 930 Compact IC Flex SeS/PP (2.930.1500)
  • Page 45 ￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭ 4 Installation 4.10.2.4 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. Rinsing solution via peristaltic pump ￭ Prepare the rinsing solution in a separate bottle and convey it with the peristaltic pump.

  • Page 46: Peristaltic Pump

    ® 6.1826.360 Pump tubing LFL (white/ PVC (Tygon 1.02 mm For sample transfer. white), 3 stoppers ® 6.1826.380 Pump tubing LFL (gray/ PVC (Tygon 1.25 mm For Inline Dilution. gray), 3 stoppers ￭￭￭￭￭￭￭￭ 930 Compact IC Flex SeS/PP (2.930.1500)
  • Page 47 6.1826.360 (white/white) 6.1826.380 (gray/gray) 6.1826.390 (yellow/yellow) 6.1826.420 (orange/yellow) Installing the pump tubing For this step, you need the following accessories: Tubing cartridge (6.2755.000) ￭ Pump tubing (6.1826.XXX) ￭ Coupling olive/UNF 10/32 (6.2744.034) ￭ 930 Compact IC Flex SeS/PP (2.930.1500) ￭￭￭￭￭￭￭￭...
  • Page 48 – Tighten it using the union nut. 2 Removing the tubing cartridge Press in the tubing cartridge's snap-action lever. ￭ Tilt the tubing cartridge upwards. ￭ Unhook the tubing cartridge from the mounting bolt. ￭ ￭￭￭￭￭￭￭￭ 930 Compact IC Flex SeS/PP (2.930.1500)
  • Page 49 Fully loosen the contact pressure lever , i.e. press it all the way ￭ down. In the software, activate the drive of the peristaltic pump with the ￭ desired speed. Raise the contact pressure lever one step at a time until liquid ￭ flows. 930 Compact IC Flex SeS/PP (2.930.1500) ￭￭￭￭￭￭￭￭...

  • Page 50: Mode Of Operation For The Peristaltic Pump

    (14-6), so that the rollers (14-5) advance the liquid in the pump tubing. Figure 14 Peristaltic pump Contact pressure lever Tubing cartridge (6.2755.000) Cartridge holder Snap-action lever Rollers Roller hub Mounting bolt ￭￭￭￭￭￭￭￭ 930 Compact IC Flex SeS/PP (2.930.1500)

  • Page 51: Metrohm Co Suppressor (Mcs)

    CO adsorption cartridge to filter out the CO from the air. 4.12.2 Connecting the MCS The MCS is connected between the Metrohm Suppressor Module (MSM) and the conductivity detector. 930 Compact IC Flex SeS/PP (2.930.1500) ￭￭￭￭￭￭￭￭...

  • Page 52: Figure 15 Connecting The Mcs

    Connect the inlet capillary of the conductivity detector with a long pressure screw (6.2744.090) to the MCS output (labeled Out). CAUTION If the MCS is not used, the inlet and outlet must be sealed with the threaded stoppers (6.2744.220). ￭￭￭￭￭￭￭￭ 930 Compact IC Flex SeS/PP (2.930.1500)

  • Page 53: Installing The Adsorber Cartridge

    CW. This uncovers the small opening in the lid of the CO adsorption car- tridge CW, through which air is aspirated. The CO adsorption cartridge CW is now ready for installation. 930 Compact IC Flex SeS/PP (2.930.1500) ￭￭￭￭￭￭￭￭...
  • Page 54 Install the CO adsorber cartridge CW as follows: 1 Connecting the CO adsorber cartridge CW Attach the capillary connected to the Metrohm CO Suppressor's (MCS) Air in connector to the tip of the CO adsorber cartridge CW. 2 Placing the adsorber cartridge in the instrument...

  • Page 55: Installing The Conductivity Detector

    Accessories For this step, you need the following accessories: Pressure screw, long (6.2744.090) ￭ 1 Tighten the detector inlet capillary to the Out outlet of the MCS using a long pressure screw (6.2744.090). 930 Compact IC Flex SeS/PP (2.930.1500) ￭￭￭￭￭￭￭￭...

  • Page 56: Installing The Amperometric Detector

    For this step, you need the following accessories: USB connection cable (6.2151.020) from the accessory kit: Vario/Flex ￭ Basic (6.5000.000) Connecting the USB cable 1 Insert the USB cable into the PC connection socket on the rear of the instrument. ￭￭￭￭￭￭￭￭ 930 Compact IC Flex SeS/PP (2.930.1500)

  • Page 57: 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 58: Initial Start-Up

    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 59 Pull the purge needle out of the purge capillary. ￭ 5 Adjusting the contact pressure of the peristaltic pump Adjust the contact pressure of the peristaltic pump (see "Setting ￭ the contact pressure correctly", page 41). 930 Compact IC Flex SeS/PP (2.930.1500) ￭￭￭￭￭￭￭￭...

  • Page 60: 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 cartridge leaflet.
  • Page 61 Rinsing the guard column 1 Rinsing the guard column Place a beaker under the guard column's outlet. ￭ 930 Compact IC Flex SeS/PP (2.930.1500) ￭￭￭￭￭￭￭￭...

  • Page 62: Connecting And Rinsing The Separation Column

    Application Bulletins or Application Notes. You can find these online at http://www.metrohm.com in the Applications area or request them free of charge from your responsible regional Metrohm rep- resentative. CAUTION New IC Columns are filled with solution and sealed with stoppers on both sides.
  • Page 63 ￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭ 4 Installation NOTE Connect the separation column only after the initial start-up of the instrument. Until that point, insert a coupling (6.2744.040) instead of the guard column and separation column. 930 Compact IC Flex SeS/PP (2.930.1500) ￭￭￭￭￭￭￭￭...
  • Page 64 Remove the coupling (6.2744.040) from the column outlet capil- ￭ lary. 5 Installing the outlet of the separation column Fasten the column outlet capillary to the column outlet using a ￭ short PEEK pressure screw (6.2744.070). ￭￭￭￭￭￭￭￭ 930 Compact IC Flex SeS/PP (2.930.1500)

  • Page 65: Conditioning

    (arrow has to point in the direction of flow). 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 SeS/PP (2.930.1500) ￭￭￭￭￭￭￭￭...
  • Page 66 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 SeS/PP (2.930.1500)

  • Page 67: Operation

    ￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭ 5 Operation 5 Operation The 930 Compact IC Flex SeS/PP is operated solely using the MagIC Net software. You can find information on operating the software in the tuto- rial for MagIC Net or in the online help. 930 Compact IC Flex SeS/PP (2.930.1500)

  • Page 68: 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 69: 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) 2 times during the rinsing process at 5-minute intervals in each case (STEP command).

  • Page 70: Capillary Connections

    To protect the IC system from foreign particles, we recommend aspirat- ￭ ing the eluent via an aspiration filter (see chapter 4.5, page 21) (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 SeS/PP (2.930.1500)

  • Page 71: 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 SeS/PP (2.930.1500) ￭￭￭￭￭￭￭￭...

  • Page 72: 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 SeS/PP (2.930.1500)

  • Page 73: Figure 16 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 SeS/PP (2.930.1500) ￭￭￭￭￭￭￭￭...
  • Page 74 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 SeS/PP (2.930.1500)
  • Page 75 RBS™ solution or acetone. The rinsing solution may only come out at the valve exit. The outlet valve must be replaced if it is still clogged after cleaning. 930 Compact IC Flex SeS/PP (2.930.1500) ￭￭￭￭￭￭￭￭...
  • Page 76 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 SeS/PP (2.930.1500)
  • Page 77 RBS™ solution or acetone. The rinsing solution may only come out at the valve exit. The inlet valve must be replaced if it is still clogged after cleaning. 930 Compact IC Flex SeS/PP (2.930.1500) ￭￭￭￭￭￭￭￭...
  • Page 78 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 SeS/PP (2.930.1500)
  • Page 79 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 SeS/PP (2.930.1500) ￭￭￭￭￭￭￭￭...

  • Page 80: Figure 17 High-Pressure Pump - Cross-Section

    (6.5000.000). Adjustable wrench (6.2621.000) ￭ Tool for piston seals (6.2617.010) consisting of a tip (18-1) for remov- ￭ ing the old piston seal and a sleeve (18-2) for inserting the new piston seal. ￭￭￭￭￭￭￭￭ 930 Compact IC Flex SeS/PP (2.930.1500)

  • Page 81: Figure 18 Tool For Piston Seal (6.2617.010)

    Loosen the piston cartridge (19-1) 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 (19-2) out of the piston opening. Set it aside. 930 Compact IC Flex SeS/PP (2.930.1500) ￭￭￭￭￭￭￭￭...

  • Page 82: Figure 20 Inserting The Piston Seal Into The Tool

    Press the seal into the pump head recess using the wide end of the tip (18-1) of the tool. Cleaning or replacing the zirconium oxide piston Prerequisites: ￭￭￭￭￭￭￭￭ 930 Compact IC Flex SeS/PP (2.930.1500)

  • Page 83: Figure 21 Parts Of The Piston Cartridge

    Place the backup ring you put aside with the remaining parts. ￭ Figure 21 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 SeS/PP (2.930.1500) ￭￭￭￭￭￭￭￭...
  • Page 84 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 SeS/PP (2.930.1500)
  • Page 85 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 SeS/PP (2.930.1500) ￭￭￭￭￭￭￭￭...

  • Page 86: 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 87: Figure 22 Inline Filter - Removing The Filter

    3 Unscrewing the filter screw Use two adjustable wrenches (6.2621.000) to loosen the filter screw (22-2) from the filter housing (22-1) and unscrew it by hand. 4 Removing the filter Remove the old filter (22-3) using tweezers. 930 Compact IC Flex SeS/PP (2.930.1500) ￭￭￭￭￭￭￭￭...
  • Page 88 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 SeS/PP (2.930.1500)

  • Page 89: 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 90: Taking Care Of The Suppressor Housing

    The Metrohm Suppressor Module (MSM) must be regenerated (see chapter 6.10.3.2, page 83), cleaned (see chapter 6.10.3.4, page 85) or replaced (see chapter 6.10.3.5, page 88) if the capacity of the Metrohm Suppressor Module (MSM) is reduced or if the backpressure is high. 6.10.2...
  • Page 91 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 92 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 93 6.10.3.4 Cleaning the Metrohm Suppressor Module (MSM) In the following cases, it may be necessary to clean the Metrohm Suppres- sor Module (MSM): Increased backpressure at the MSM's connection tubing. ￭ 930 Compact IC Flex SeS/PP (2.930.1500)
  • Page 94 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 88) must be replaced (order number 6.2835.010). 4 Cleaning the rotor Clean the sealing surface of the rotor (23-3) with ethanol using a ￭...
  • Page 95 Reattach the union nut (23-1) 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 96 ￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭ 6.10.3.5 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 97 1 is on top and the three pins of the connecting piece fit into the corresponding recesses on the housing. Reattach the union nut (23-1) and tighten by hand (do not use a ￭ tool). 930 Compact IC Flex SeS/PP (2.930.1500) ￭￭￭￭￭￭￭￭...

  • Page 98: Peristaltic Pump

    6.11 Peristaltic pump ￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭ 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 99: Figure 24 Pump Tubing Connection - Replacing The Filter

    Remove the old filter (24-2) using tweezers. ￭ Use tweezers to place the new filter (24-2) on the filter screw ￭ (24-3) so that it is flat and press it firmly into place with the rear of the tweezers. 930 Compact IC Flex SeS/PP (2.930.1500) ￭￭￭￭￭￭￭￭...

  • Page 100: Maintenance On The Metrohm Co 2 Suppressor (Mcs)

    CW 1 Remove the depleted CO adsorber cartridge CW from the detector chamber. 2 Remove the Air in capillary of the Metrohm CO Suppressor (MCS). 3 Professionally dispose of the depleted CO adsorption cartridge CW. Installing the new CO...

  • Page 101: Detector Maintenance

    The time upon stopping the watch is the "transfer time". 4 Tightening the sample loop again Tighten the sample loop again. 930 Compact IC Flex SeS/PP (2.930.1500) ￭￭￭￭￭￭￭￭...

  • Page 102: 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 103: Protecting The Separation Column

    The separation column can be regenerated according to the column man- ufacturer's specifications if the separation characteristics of the column have deteriorated. You can find information on regenerating separation columns available from Metrohm on the leaflet provided with every col- umn. NOTE Regeneration is intended as a last resort.

  • Page 104: Troubleshooting

    Check the eluent bottle cap (see chapter ￭ eluent is evaporating. 4.5, 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 SeS/PP (2.930.1500)
  • Page 105 ￭ "Connecting the separation column", page 56). 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 106 The eluent path has a leak. Check all of the connections along the eluent are poorly reprodu- path and fix the leak. cible. The eluent path is blocked. Check the eluent path and eliminate the block- age. ￭￭￭￭￭￭￭￭ 930 Compact IC Flex SeS/PP (2.930.1500)
  • Page 107 Use the sample degasser . bubbles in the sample. Sample – The rinsing vol- Increase the rinsing time (see chapter 6.14, ume is too small. page 93). Injection valve – Defective. Request Metrohm Service. 930 Compact IC Flex SeS/PP (2.930.1500) ￭￭￭￭￭￭￭￭...
  • Page 108 ￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭ Problem Cause Remedy MCS – The vacuum is too Check the connectors. If they are OK: ￭ low. Contact Metrohm Service. ￭ ￭￭￭￭￭￭￭￭ 930 Compact IC Flex SeS/PP (2.930.1500)

  • Page 109: Technical Specifications

    0–35 MPa (350 bar) standard PEEK system ￭ Intelligent com- iPump, iDetector, iColumn, MagIC Net ponents Ambient conditions Operation Nominal function +5–+45 °C range at max. 80% relative humidity, non-condensing Storage +5–+45 °C 930 Compact IC Flex SeS/PP (2.930.1500) ￭￭￭￭￭￭￭￭...

  • Page 110: Housing

    0.01–5 mL/min with standard PEEK pump head Flow increment 1 µL/min < 0.1% deviation 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 SeS/PP (2.930.1500)

  • Page 111: Injection Valve

    Rotation direction Clockwise/counterclockwise Rotational speed 0–42 rpm in 7 levels of 6 rpm each Pumping charac- 0.3 mL/min at 18 rpm; with standard pump tubing (6.1826.420) teristics Pump tubing Recommended: PharMed® (Ismaprene) material 930 Compact IC Flex SeS/PP (2.930.1500) ￭￭￭￭￭￭￭￭...

  • Page 112: Metrohm Co Suppressor (Mcs)

    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 SeS/PP (2.930.1500)

  • Page 113: 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 SeS/PP (2.930.1500) ￭￭￭￭￭￭￭￭...

  • Page 114: Index

    Heavy metals ...... 83 Connector of the cartridge . 45 Organic ......83 Installation ......43 Crystallization Technical specifications ..104 IC column High-pressure pump ... 64 Use ........43 see "Separation column" ..54 ￭￭￭￭￭￭￭￭ 930 Compact IC Flex SeS/PP (2.930.1500)
  • Page 115 Service life ......90 Supply voltage ....7, 104 Valve Pump tubings Suppression rotor See also "Injection valve" ..28 Overview ......38 see Suppressor ..... 83, 85 Suppressor Clean ........85 Reference conditions ....101 930 Compact IC Flex SeS/PP (2.930.1500) ￭￭￭￭￭￭￭￭...

Table of Contents