The use of redox reactions in the analysis of dyes and dye intermediates : VII. The reductometric and polarographic determination of N,N-dimethyl-4-amino-4′-hydroxyazobenzene |
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Authors: | J. Barek A. Berka V. Borek |
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Affiliation: | Department of Analytical Chemistry, Charles University, 128 40 Prague 2, Czechoslovakia |
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Abstract: | The chemical reduction of N,N-dimethyl-4-amino-4′-hydroxyazobenzene with titanium(III) chloride and chromium(II) sulfate was studied, as was the polarographic reduction of this substance. Optimal conditions for the analytical application of these reactions were found. |
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