Polarographic behavior of 4-morpholine carbodithioate and its use in the amperometric determination of metal ions.
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概要
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Polarographic behavior of 4-morpholine carbodithioate has been studied in various base electrolytes. It gives a well defined, diffusion controlled, reversible with one electron change, anodic wave above pH 9 extending over a fairly wide span of potential, +0.2 V to −0.3 V <I>vs.</I> SCE. The relation between diffusion current and concentration is linear up to 2.7 mM (1 M=1 mol dm<SUP>−3</SUP>) of the reagent. The reagent has been successfully applied for the amperometric determination of Bi<SUP>3+</SUP>, Cu<SUP>2+</SUP>, Ni<SUP>2+</SUP>, Te<SUP>4+</SUP>, and Zn<SUP>2+</SUP> individually as well as in mixtures like Cu–Zn and Cu–Ni. Conditions have also been developed for the determination of copper, nickel, and zinc in various alloys. The error does not exceed more than ±0.85% in any case. The method is simple, less time consuming and easily adoptable for the micro determination of these metal ions.
- 公益社団法人 日本化学会の論文
著者
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Puri B.
Department Of Chemistry Indian Institute Of Technology
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Rao A.
Department Of Applied Mathematics Indian Institute Of Science
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Brar Bikram
Department of Chemistry, Punjabi University
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Rao A.
Department of Chemistry, Punjabi University
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