Determination of Vanadium(V) and Vanadium(IV) in Bismuth- and Copper-Containing Compounds by Controlled-Potential Coulometry |
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| Authors: | I V Markova |
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| Institution: | (1) Vernadsky Institute of Geochemistry and Analytical Chemistry, Russian Academy of Sciences, ul. Kosygina 19, Moscow, 119991, Russia |
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| Abstract: | It was shown that vanadium(V) and vanadium(IV) can be determined at a large Pt electrode in H2SO4 solutions in the presence of copper and bismuth by controlled-potential coulometry with RSD no worse than 0.2%. Compounds of the composition Bi4V1.8Cu0.2O10.7 – x
were analyzed. |
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