A spectrophotometric study of the determination of gold with phenothiazine.
The reaction of Au(III) with phenothiazine has been studied and a reaction mechanism proposed. Optimal conditions for the reaction have been found and a new spectrophotometric method has been developed for determination of Au(III). The method is advantageous in its simplicity and reproducibility. Gold can be determined in the concentration range 2-20 mug/ml.
Nemcová
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I
Department of Analytical Chemistry, Charles University, Albertov 2030, 128 40 Prague 2, Czechoslovakia.
Rychlovský
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P
Klezczewska
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E