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Type: Artigo de periódico
Title: Direct determination of molybdenum in polyvitaminic tablets by voltammetry in non-aqueous media.
Author: de Almeida, AM
Aleixo, LM
de Andrade, JC
Coscione, AR
Abstract: Adsorptive stripping voltammetry carried out in a homogeneous ternary solvent composed of N,N-dimethylformamide, water and ethanol, with alpha-benzoinoxime (alpha BO) as the complexing agent for Mo(VI) and a 0.5 mol L-1 acetic acid - sodium acetate buffer as supporting electrolyte was successfully used for the determination of molybdenum in polyvitamin-polymineral tablets. Tablet samples were analyzed and the results were compared with those obtained both by graphite furnace atomic absorption and by recovery tests, with good correlations. indicating that this may be considered as an alternative procedure for routine determination of Mo(VI) in pharmaceutical samples.
Subject: molybdenum determination
Country: Brasil
Editor: Soc Brasileira Quimica
Rights: aberto
Date Issue: 2006
Appears in Collections:Unicamp - Artigos e Outros Documentos

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