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KMID : 1059519880320010015
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Journal of the Korean Chemical Society
1988 Volume.32 No. 1 p.15 ~ p.21
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Polarographic Behavior of 1-(2-Thiazolylazo) 2-naphthol in Acetonitrile
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Bae Zun-Ung
Seo Moo-Lyong
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Abstract
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The Polarographic behavior of 1-(2-thiazolylazo)-2-naphthol (TAN) in acetonitrile solution was studied. From the DC polarograms of TAN in acetonitrile solution, the type of reduction current and the effect of proton donor such as water have been investigated. In order to explain the reduction mechanism, the number of the electrons for each reduction step was measured by controlled potential coulometric technique and the electrolysis products were identified by UV-Vis spectroscopy and IR spectroscopy. The results were shown that the reduction of TAN in acetonitrile solution occurred with four-one electron steps. In addition, each reduction step was considerably reversible and the reduction current was diffusion controlled.
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