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6 Maintenance

IC equipment: Inline Ultrafiltration 2 - push mode

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3 Connecting capillaries to the ultrafiltration cell

Carry out instruction step 5 of the procedure

Connecting the ultrafil-

tration cell on page 14

4 Inserting the ultrafiltration cell into the holder

Place the ultrafiltration cell back in the holder

(see chapter 4.3, page

17)

5 Purging the ultrafiltration cell

Purge the ultrafiltration cell

(see chapter 4.4, page 18)

Содержание 6.02729.110

Страница 1: ...IC equipment IC equipment Inline Ultrafiltration 2 push mode Manual 8 0108 8026EN 2020 05 22...

Страница 2: ......

Страница 3: ...G CH 9100 Herisau Switzerland Phone 41 71 353 85 85 Fax 41 71 353 89 01 info metrohm com www metrohm com IC equipment IC equipment Inline Ultrafiltration 2 push mode 6 05330 110 Manual 8 0108 8026EN 2...

Страница 4: ...echcom 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 comm...

Страница 5: ...Flow diagram of the IC equipment Inline Ultrafiltration 2 push mode 7 3 3 Components of the ultrafiltration cell 8 3 4 Connectors of the ultrafiltration cell 9 4 Installation 10 4 1 Preparing the ult...

Страница 6: ...Table of contents IV IC equipment Inline Ultrafiltration 2 push mode 8 Accessories 25 Index 26...

Страница 7: ...Figure 1 IC equipment Inline Ultrafiltration 2 push mode Parts 5 Figure 2 Flow diagram of the IC equipment Inline Ultrafiltration 2 push mode 7 Figure 3 Ultrafiltration cell Parts 8 Figure 4 Ultrafil...

Страница 8: ......

Страница 9: ...filtration 2 push mode for pumping the sample and the filtrate 1 2 About the documentation This manual describes the correct assembly and maintenance of the IC equipment Inline Ultrafiltration 2 push...

Страница 10: ...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 WARNING This symbol dra...

Страница 11: ...ode of operation of the push mode The basic principle of the push mode is that the sample is delivered by pushing it In push mode one peristaltic pump is installed between the sample changer and the s...

Страница 12: ...lume of the sample loop The lower the volume of the sample loop the smaller the required sample volume Ratio of the flow rate on the sample side to the flow rate on the filtra tion side On the sample...

Страница 13: ...Inline Ultrafiltration 2 push mode Parts Table 1 Parts of the IC equipment Inline Ultrafiltration 2 push mode Article number Article name Number 6 2714 020 Filtration membrane 1 1 6 1803 040 PTFE cap...

Страница 14: ...2057 030 Filtration cell holder 1 6 2744 160 Pump tubing connection with locking nut 1 6 2744 034 Coupling olive UNF 10 32 2x 1 6 2744 070 Pressure screw short 5x 1 6 2744 000 Pressure screw PVDF 5x 1...

Страница 15: ...K capillary 0 5 mm ID 70 cm 2 6 1803 050 PTFE capillary 0 5 mm ID 20 cm 3 6 1803 040 PTFE capillary 0 5 mm ID 1 m 4 6 1803 050 PTFE capillary 0 5 mm ID 20 cm 5 6 1803 040 PTFE capillary 0 5 mm ID 1 m...

Страница 16: ...ipment Inline Ultrafiltration 2 push mode 3 3 Components of the ultrafiltration cell 1 2 3 4 1 Figure 3 Ultrafiltration cell Parts 1 Stopper 2 Sample chamber 3 Filtrate chamber 4 Screws for screwing t...

Страница 17: ...iltration 2 push mode 9 3 4 Connectors of the ultrafiltration cell 1 2 3 4 5 Figure 4 Ultrafiltration cell Connectors 1 Filtrate chamber 2 Filtrate outlet labeled OUT 3 Sample chamber 4 Sample inlet l...

Страница 18: ...filtration cell 2 6 02729 110 Filtration membrane 1 6 2714 020 4 mm hex key 6 2621 030 Plastic tweezers 6 2831 010 1 Removing the stoppers Remove the 3 green stoppers by hand Place the ultrafiltration...

Страница 19: ...ration cell 4 Cleaning the ultrafiltration cell CAUTION Damage to the ultrafiltration cell Organic solvents e g acetone corrode and damage the ultrafiltra tion cell material PMMA Use ultrapure water o...

Страница 20: ...ver The cover protects the fil tration membranes Do not insert the cover into the ultrafiltra tion cell The thin light blue sheets are separation sheets The separation sheets are placed between 2 filt...

Страница 21: ...h a way that the 2 guide bolts of the sample chamber fit into the bore holes of the filtrate chamber 8 Screwing the ultrafiltration cell together Screw the screws entirely into the ultrafiltration cel...

Страница 22: ...iew of all capillary connec tions in the filtration system Figure 5 push mode Connecting the ultrafiltration cell NOTICE In order to keep dead volume to a minimum the capillaries of the IC equipment I...

Страница 23: ...n the manual for the ion chromatograph or in the man ual for the sample changer 2 Preparing the pump tubing for the filtrate Use the pump tubing with orange yellow stoppers 6 1826 320 for conveying th...

Страница 24: ...utlet of the pump tubing with orange yellow stoppers 6 1826 320 using a pressure screw 6 2744 070 5 Connecting capillaries to the ultrafiltration cell CAUTION Damage to the ultrafiltration cell caused...

Страница 25: ...er Tighten the free end of the PTFE capillary 6 1803 040 to Port 1 of the injector using a pressure screw 6 2744 014 see the man ual for the ion chromatograph Either tighten the free end of the PTFE c...

Страница 26: ...the software Immerse the sample needle in the rinsing solution Switch on the peristaltic pump Rinse the filtration system with ultrapure water for approx 5 min 2 Monitoring the rinsing process Check w...

Страница 27: ...ion membrane 1 6 2714 020 is not used a membrane with suitable pore size does not automatically yield the desired results even if the particle size is known Our investigations have shown that the rete...

Страница 28: ...membrane all membranes were from the same manufac turer Due to the lower filter thickness the retention capacity of filtration mem branes may be lower than that of filters with the same pore size but...

Страница 29: ...re check standards after every 5th to 10th sample No general prediction regarding the number of filtration cycles can be made Also the change in the recovery rate may be different with more samples be...

Страница 30: ...acts 200 6 2 Replacing the filtration membrane The filtration membrane used has to be in perfect condition in order to ensure a consistent quality of the analysis results Therefore replace the filtrat...

Страница 31: ...ell Carry out instruction step 5 of the procedure Connecting the ultrafil tration cell on page 14 4 Inserting the ultrafiltration cell into the holder Place the ultrafiltration cell back in the holder...

Страница 32: ...afiltration cell 2 6 02729 110 Material PMMA poly methyl methacrylate Solvent compati bility Water or water ethanol mixture 70 30 no other organic solvents Cell volume Sample chamber 240 L Filtrate ch...

Страница 33: ...metrohm com into your Internet browser 2 Enter the article number e g 6 05330 110 into the search field The search result is displayed 3 Click on the product Detailed information regarding the product...

Страница 34: ...e of operation Pull mode 3 Push mode 3 Ultrafiltration 3 Mount Filtration membrane 10 P Pull mode Mode of operation 3 Push mode 14 Mode of operation 3 S Sample volume 4 19 Select Filtration membrane 1...

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