Sorption of Sr-85, Cs-137, and Eu-152 from Solutions on Mixed Hexacyanoferrates of Potassium and Uranyl

被引：2

作者：

Kulyukhin, S. A. ^{[1
]}

Krasavina, E. P. ^{[1
]}

Gorbacheva, M. P. ^{[1
]}

Rumer, I. A. ^{[1
]}

Konovalova, N. A. ^{[1
]}

Mizina, L. V. ^{[1
]}

Tanashchuk, N. V. ^{[1
]}

机构：

[1] Russian Acad Sci, Frumkin Inst Phys Chem & Electrochem, Moscow, Russia

来源：

RADIOCHEMISTRY | 2007年 / 49卷 / 01期

关键词：

68.43.-h;

D O I：

10.1134/S1066362207010134

中图分类号：

O65 [分析化学];

学科分类号：

070302 ; 081704 ;

摘要：

Sorption of Sr-85, Cs-137, and Eu-152 from neutral and acidic solutions on mixed hexacyanoferrates of potassium and uranyl K4(UO2)(4)[Fe(CN)(6)](3) center dot 4H(2)O and K-2 (UO2)(5)[Fe(CN)(6)](4)center dot 3H(2)O is studied. The distribution coefficients of Sr-85, Cs-137, and Eu-152 between the solid phase of K-2(UO2)(5)[Fe(CN )(6)](4)center dot 3H(2)O and the aqueous phase are determined to be 210 +/- 10, 3000 +/- 500, and 1100 +/- 250 ml g(-1), respectively, at a contacting time of 120 min. For solid K-4(UO2)(4)[Fe(CN)(6)](3)center dot 4H(2)O, the respective values are 6670 +/- 900, 5600 +/- 300, and 3300 +/- 250 ml g(-1). The 85Sr, 137Cs, and 152Eu distribution coefficients K-d between the solid K-4(UO2)(4)[Fe(CN)(6)](3) 4H(2)O and the aqueous phase decrease with decreasing pH.

引用

页码：76 / 81

页数：6

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