Kinetics of reduction of gold(III) complexes using H2O2

Kinetics of reduction of gold(III) complexes using H2O2

In this article, the effect of different kinetic parameters, namely, temperature, pH, and reductant concentration, on the rate of Au(III) reduction from aqueous chloride solutions by H2O2 was investigated. The possible mechanism of complex [Au(OH)4]- ion reduction by hydrogen dioxide is also discuss...

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Veröffentlicht in:Metallurgical and materials transactions. B, Process metallurgy and materials processing science Process metallurgy and materials processing science, 2006-10, Vol.37 (5), p.703-714
Hauptverfasser: PACLAWSKI, Krzysztof, FITZNER, Krzysztof
Format: Artikel
Sprache:eng
Schlagworte:
Applied sciences
Exact sciences and technology
Metals. Metallurgy
Production of metals
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Zusammenfassung:In this article, the effect of different kinetic parameters, namely, temperature, pH, and reductant concentration, on the rate of Au(III) reduction from aqueous chloride solutions by H2O2 was investigated. The possible mechanism of complex [Au(OH)4]- ion reduction by hydrogen dioxide is also discussed and the model mechanism based on experimental data is postulated.
ISSN:1073-5615
1543-1916
DOI:10.1007/s11663-006-0054-3