Separation of Am(III) and Pu(IV) at their joint oxalate precipitation

被引：0

作者：

E. M. Pazukhin

B. Ya. Galkin

A. P. Krinitsyn

Yu. A. Pokhitonov

V. I. Ryazantsev

机构：

[1] Shelter Interbranch Sci. Tech. Ctr., Natl. Academy of Sciences of Ukraine, Chernobyl, Kiev oblast

[2] Khlopin Radium Institute, Research and Production Association, St. Petersburg

来源：

Radiochemistry | 2003年 / 45卷 / 2期

关键词：

Precipitation; Physical Chemistry; Purification; Inorganic Chemistry; HNO3;

D O I：

10.1023/A:1023885310014

中图分类号：

学科分类号：

摘要：

A procedure was developed for purification of plutonium to remove americium by oxalate precipitation using diethyl oxalate as a precipitant. The developed procedure was tested under laboratory conditions and on an enlarged installation. It was shown that the decontamination factor of plutonium from americium can exceed 2 × 103. The plutonium oxalate precipitate can be dissolved by heating with HNO3 in the presence of V(V) catalyst and also by electrochemical dissolution at alternating current.

引用

页码：159 / 166

页数：7

共 4 条

[1] Milyukova M.S., Gusev N.I., Sentyurin I.G., Sklyarenko I.S., Analiticheskaya Khimiya Plutoniya (Analytical Chemistry of Plutonium), (1965)
[2] Pazukhin E.M., Vtoraya Vsesoyuznaya Konferentsiya Po Khimii Transplutonievykh Elementov (Second All-Union Conf. on Chemistry of Transplutonium Elements), (1983)
[3] Latimer W.M., The Oxidation States of the Elements and Their Potentials in Aqueous Solutions, (1952)
[4] Okislitel'nye Sostoyaniya Elementov I Ikh Potentsialy V Vodnykh Rastvorakh, (1964)

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