9 tubing connections – Metrohm 788 IC Filtration Sample Processor User Manual

Page 27

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2.3 Attaching the accessories

788 IC Filtration Sample Processor

19

2.3.9 Tubing

connections

The tubing connections on the 788 IC Filtration Sample Processor and

the connection to the injection valve of the 733 IC Separation Center

must be made as follows:

Pump tubings are consumable material with a lifetime which depends

on the contact pressure (see chapter 6.3.3). This is why the tubing

cartridges should be raised completely by loosening snap-action lever

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16

16

16

on the right-hand side if the pump is to remain switched off for a

considerable length of time (the set contact pressure remains

unchanged).

The 6.1826.0X0 pump tubing is made of PVC and must not be used

for rinsing with solutions which contain acetone. In such cases, rinse

with different pump tubing or a different pump.

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8/21

8/21

8/21

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10/11

10/11

10/11

10/11 43

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43

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24/20

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24/20

24/20

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6666

6666

Abb. 10: Installing the pump tubing

Line 1: Conveying the sample

to the ultra-filtration cell

Line 2: Conveying the filtrate

to the injection loop

8888 PTFE capillary (6.1803.070)

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21

21 PTFE capillary (6.1803.050)

6666 PEEK compression fitting

(6.2744.010)

6666 PEEK compression fitting (6.2744.010)

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PEEK coupling (6.2744.030)

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PEEK coupling (6.2744.030)

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10 Pump tubing (6.1826.070)

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11 Pump tubing 6.1826.030

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43 Stopper (yellow/yellow)

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43 Stopper (orange/yellow)

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Tubing cartridge (6.2755.000)

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Tubing cartridge (6.2755.000)

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Contact pressure lever

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Contact pressure lever

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16 Snap-action lever

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16 Snap-action lever

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PTFE capillary (6.1803.060)

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PEEK capillary (6.1831.060)

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