FORMS OF HEXAVALENT PLUTONIUM AND AMERICIUM IN BASIC AQUEOUS-SOLUTIONS

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作者：
TANANAEV, IG
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来源：
SOVIET RADIOCHEMISTRY | 1989年 / 31卷 / 03期
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中图分类号：
O65 [分析化学];
学科分类号：
070302 ; 081704 ;
摘要：
The forms of hexavalent plutonium and americium in basic aqueous solutions are studied by a spectrophotometric method. Evidence of complete transfer of these actinides at small concentrations into anions of the AnO2(OH)4(2-) type in solutions with [OH-] greater than 1 and 1.2.10(-2) M is given. As the concentration of base is lowered, the AnO2(OH)4(2-) anions convert into the hydroxocomplexes AnO2(OH)3-.H2O, AnO2(OH)2.2H2O, and AnO2OH+.4H2O.
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页码：303 / 307
页数：5
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