Metrohm Thin-Layer cell Manuel d'utilisateur télécharger pdf (Page 24)

5.2 Maintenance

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IC Equipment Thin-Layer cell

￭ The working electrode has been removed from the measuring cell.

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).

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.

Cleaning the working electrode

Clean the working electrode in accordance with the directions con-

tained in the leaflet for the working electrode or polish it if necessary.

Reinsert the working electrode (see Chapter 3.1, page 4).

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Metrohm Thin-Layer cell Manuel d'utilisateur Page 24