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A Stopped Flow Injection - Chemical Relaxation - Catalytic Spectrophotometric Procedure for the Determination of Cobalt

✍ Scribed by He, Ronghuan ;Jiang, Hua ;Wang, Jianhua

Publisher
Springer-Verlag
Year
2003
Weight
74 KB
Volume
141
Category
Article
ISSN
0344-838X

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The use of a gallocyanine-bromate oxidation system for the direct determination of vanadium (0.020-100 ng/ml) with spectrophotometric detection is described. The decrease in absorbance results from the oxidation of gallocyanine by bromate in the presence of vanadium as a catalyst. The effects of imp