Metrohm 899 Coulometer - Manual (Page 20)

3.2 Setting up the coulometer cell
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10 ￭￭￭￭￭￭￭￭
899 Coulometer
1
2
3
4
6.1403.030
6.2811.000
Figure 4 Filling the adsorber tube
1 Insert a small cotton plug into the bottom of the adsorber tube. Do
not pack the cotton too tightly.
2 Fill the molecular sieve up to the ¾ level.
3 Place a small cotton plug on the molecular sieve. Do not pack the
cotton too tightly.
4 Seal the adsorber tube with the appropriate cover.
Note
Note that the molecular sieve must be replaced at regular intervals.
Each time you refill the adsorber tube with molecular sieve, you can, for
example, write the date directly on the adsorber tube.