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AB-011

Determination of zinc by bi-amperometric titration with potassium hexacyanoferrate(II)


Summary

Zinc, such as that occurring as a constituent of light alloys, can be determined by precipitation titration with potentiometric endpoint indication. The determination of zinc in the presence of cadmium is also possible.

2 K4[Fe(CN)6] + 3 ZnCl2 → K2Zn3[Fe(CN)6]2 + 6 KCl

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Metrohm AG

Ionenstrasse
9100 Herisau

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