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A sensitive and highly selective adsorptive stripping voltammetric procedure for determination of traces of Cr(VI) is presented. Cr(III) interference was minimized due to (a) partial adsorption of this form of chromium from the sample on aluminum oxide and (b) using as a detection method adsorptive stripping voltammetry, which allows for selective determination of Cr(VI) in the presence of a 100-fold...
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