2006•Journal of Gansu Lianhe UniversityRequires access

Cotalytic Spectrophotometric Determination of Ru(III) by Decolorizing Reaction with Ru(III)-KIO_4-Arsenazo-DBM

Liu Xi-lin

Abstract

A spectrophotometric method has been developed for the determination of Ruthenium,based on their catalytic effect on potassium periodate oxidation of arsenazo-DBM in H_2SO_4 medium.The optimum conditions of the reaction have been determined.The determination limits was 0.001μg·mL~(-1),and the linear range are 0.001-0.015μg·mL~(-1).

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Key concepts: Potassium periodate, Ruthenium, Periodate, dBm, Chemistry, Catalysis, Spectrophotometry, Linear range