Studies on 3-Substituted-2-thiohydantoins as Analytical Reagent. III. Determination of Trace Amounts of Manganese by Catalytic Oxidation of 3-Ethyl-2-thiohydantoin
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概要
- 論文の詳細を見る
A highly sensitive method for the determination of trace amounts of Mn (II) is based on the catalytic effect of Mn (II) on the autoxidation of 3-ethyl-2-thiohydantoin (ETH). Under given conditions of concentrations of reactants, temperature and reaction time, the coloration due to the oxidation of ETH in alkaline solution is proportional to the concentration of Mn (II) present. Mn (II) is determined by measuring the absorbance of the colored sample solution at 500 nm. Concentrations in the range of 2 to 16 ng of Mn (II) may be determined. The present method was applied to the analysis of natural water.
- 公益社団法人日本薬学会の論文
- 1975-10-25
著者
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原田 久美子
熊本大学薬学部
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原田 久美子
熊本工業大学
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杉井 篤
Faculty of Pharmaceutical Sciences, Kumamoto University
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北原 一太
Department Of General Education:faculty Of Engineering Kumamoto Institute Of Technology
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原田 久美子
Faculty of Pharmaceutical Sciences, Kumamoto University
-
杉井 篤
熊本大学薬学部
-
北原 一太
Faculty of Pharmaceutical Sciences, Kumamoto University
-
杉井 篤
Faculty Of Pharmaceutical Sciences Kumamoto University
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