2003•Metallurgical AnalysisRequires access

Kinetic spectrophotometric method for the determination of trace rhodiumIII with orange G and potassium periodate

Jie Guo

Abstract

A new kinetic method for the determination of trace Rh*# was established based on the catalytic action of Rh Ⅲ on the oxidative fading reaction between orange G and KIO 4 in the sodium acetate medium The optimum conditions and the kinetic parameters were investigated The linear range for the determination of Rh*# by the proposed method is 0 0020-0 90μg/25mL,the detection limit is 1 6×10 -10 g/mL The method has been used for the determination of trace rhodium Ⅲ in the actual samples with satisfactory results

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Available abstract

Key concepts: Potassium periodate, Detection limit, Chemistry, Linear range, Sodium periodate, Orange (colour), Kinetic energy, Potassium