Metrohm 920 Absorber Module - Manual (Page 44)

4.3 Dosino for ultrapure water
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920 Absorber Module
￭ Cut off a piece from the PTFE capillary (6.1803.030) that is
approx. 40 cm long using the capillary cutter (6.2621.080) and
tighten it onto the outlet of the trap column using a pressure
screw.
Inserting the trap column in the instrument
Insert the Metrosep I Trap 1 – 100/4.0 in the instrument as follows:
1 Fasten the Metrosep I Trap 1 – 100/4.0 in place in the rear holding
bracket (4-4) of the 920 Absorber Module using the column head.
Next step Tighten the loose end of the PTFE capillary at the outlet of the trap col-
umn to port 5 of the 6-port valve (see Chapter 4.6, page 61).
4.3.6 Connecting the ultrapure water bottle
The ultrapure water bottle has to be connected to port 2 of the Dosino
for ultrapure water.
Accessories For this step you need:
￭ Clear glass bottle 2 L (6.1608.070) filled with ultrapure water.
￭ Bottle attachment (6.1602.160)
￭ FEP tubing M6 to 920 150 cm (6.1838.020) (8-15).
￭ Adsorber tube (6.1609.000)
￭ Cotton
￭ Adsorber granulate