METHOD OF KINETIC DETECTION OF GOLD Russian patent published in 1995 - IPC

Abstract RU 2032901 C1

FIELD: analysis of materials. SUBSTANCE: method of kinetic detection of gold includes use of its oxidation reaction with indicating reagent in salt-acid medium with subsequent calorimetric study of solution with account for change of its optical density in time. 5% aqueous solution of phenylamine added to analyzed solution in volumetric proportion 1:25 is used as indicating reagent and oxidation reaction is conducted in buffer solution at pH=3. EFFECT: improved authenticity of analysis. 1 tbl

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RU 2 032 901 C1

Authors

Shokina L.N.

Dates

1995-04-10—Published

1992-02-10—Filed