電位差滴定法による硝酸溶液中のプルトニウムの定量

概要

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An accurate method is described for the determination of plutonium in nitric acid solutions.<BR>In this method, plutonium is directly reduced with titanous chloride solution in the mixtures of nitric acid, sulfuric acid and sulfamic acid solutions, and then titrated with a standard solution of ceric sulfate.<BR>The titration curve is recorded by an automatic recording titrator with a combined electrode of platinum with silver-silver chloride.<BR>Over the range from 5 to 15 mg of plutonium, the coefficient of variation was 0.50.25% for the accountability analysis of plutonium in the reprocessing of irradiated fuel.
社団法人日本分析化学会の論文