Polarographic Behavior of N-Bromosuccinimide at a Rotating Platinum Electrode and Amperometric Determination of Hydrazine Sulfate with N-Bromosuccinimide
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概要
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The Polarographic behavior of N-bromosuccinimide (NBS) at a rotating platinum electrode (RPE)was investigated. NBS gave a well-defined reduction wave in an electrolyte solution containing 0.1MKNO<SUB>3</SUB> and Britton-Robinson buffer at pH 5.0. The wave obtained at a RPE with the activated surface, resulting from the reduction of platinum oxide layer on the preoxidized electrode, showed the half-wave potential at +0.75V vs. SCE. The diffusion current at -0.2V was directly proportional to the concentration over the range from 10<SUP>-3</SUP> to 2×10<SUP>-5</SUP> N NBS, and its temperature coefficients was 1.8%/°C at 25°C The number of electron involved in the electrode reaction of NBS was 2. Hydrazine sulfate over the concentration range from 10<SUP>-3</SUP> to 3×10<SUP>-5</SUP> N could be determined amperometrically with NBS by use of a RPE within an error of ±2%.
- 日本ポーラログラフ学会の論文
著者
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MATSUDA Toshio
Department of Chemistry, Faculty of Science and Engineering,Ritsumeikan University
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NAGAI Toyoshl
Department of Chemistry, Faculty of Science and Engineering,Ritsumeikan University
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