A word of caution or care and maintenance of electrodes, more particularly wire gauze electrodes which are quite delicate compared to other Platinum ware.
1) Vigorous shaking should be avoided.
2) After electrolysis and weightments, the deposits are removed by dissolving in single acids without any damage to the electrodes.
3) Before re-use the electrodes should be cleaned with distilled water followed with drying around 100 C.
4) When determining Zinc, tin, lead, cadmium or mercury content by cathodic deposition, a prior electro deposit of copper or silver is recommended to avoid alloying with platinum.
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