Reactions of hypobromite with neptunium(IV) and plutonium(IV) in alkali solutions

被引:0
|
作者
Garnov, AY [1 ]
Yusov, AB [1 ]
Shilov, VP [1 ]
Krot, NN [1 ]
机构
[1] Russian Acad Sci, Inst Phys Chem, Moscow, Russia
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中图分类号
O65 [分析化学];
学科分类号
070302 ; 081704 ;
摘要
Neptunium(VII) is formed in deaerated 0.8-16 M NaOH containing 5 x 10(-3) M Np(OH)(4) suspension and hypobromite ion. In 0.5-8 M NaOH containing 5 x 10(-3) M Pu(OH)(4), under the action of hypobromite Pu(VI) is accumulated both in solution and in the precipitate, and in 12-14 M NaOH Pu(VII) is formed. The rate of all the reaction stages increases with increasing oxidant and alkali concentrations and with temperature. Probable mechanism of reactions is considered.
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页码:219 / 223
页数:5
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