Metrohm Wall-Jet-Cell User Manual
Page 24
5.2 Maintenance
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IC equipment Wall-Jet cell
Cleaning the auxiliary electrode
Prerequisites:
￭
The electrode cables are unplugged.
￭
The reference electrode has been removed from the measuring cell.
￭
The working electrode has been removed from the measuring cell.
1
NOTE
When cleaning the auxiliary electrode, the edges of the spacer
may get damaged.
The spacer must then be replaced.
￭
Moisten a cotton swab with 2 mol/L of nitric acid.
￭
Use this to carefully wipe the auxiliary electrode.
The edges of the spacer may be damaged when wiping the auxili-
ary electrode.
If the auxiliary electrode is tenaciously stained, we recommend
that the spacer be removed prior to cleaning the auxiliary elec-
trode (see Chapter 5.2.3, page 15).
2 Rinse off the measuring cell (except for the working electrode and
the reference electrode) under running water and dry with a lint-free
cloth.
NOTE
When you rinse off the measuring part, take care to ensure that
the chip in the cell holder does not get wet.