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AN-H-138

Determination of nitric acid and hydrofluoric acid in etching baths using thermometric titration


Summary

Thermometric titration is used to determine hydrofluoric acid and nitric acid in etching baths containing ethanol and acetonitrile. Two endpoints appear on the titration curve that are used individually for the quantification of the respective acid.

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Metrohm AG

Ionenstrasse
9100 Herisau

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