Determination of Chromium (VI) and (III) by Adsorptive Stripping Voltammetry with Pyrocatechol Violet

A sensitive voltammetric stripping procedure for trace measurement of chromium (VI) and (III) in aqueous samples is reported. The method is based on the preconcentration of a chromium(VI)–pyrocatechol violet complex at HMDE from an acetate buffered solution. The adsorbed complex is then reduced, pro...

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Veröffentlicht in:	Microchemical journal 1997-09, Vol.57 (1), p.86-95
Hauptverfasser:	Vukomanovic, Dragic V., vanloon, Gary W., Nakatsu, Kanji, Zoutman, Dick E.
Format:	Artikel
Sprache:	eng
Schlagworte:	Analytical chemistry Chemistry Electrochemical methods Exact sciences and technology
Online-Zugang:	Volltext
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