Solvent Extraction of Calcium and Strontium into Nitrobenzene by Using a Synergistic Mixture of Hydrogen Dicarbollylcobaltate and 2,6-(Diphenylphosphino)Pyridine Dioxide

被引：0

作者：

Makrlik, Emanuel ^{[1
]}

Vanura, Petr ^{[2
]}

Selucky, Pavel ^{[3
]}

Spichal, Zdenek ^{[4
]}

机构：

[1] Univ W Bohemia, Fac Sci Appl, Plzen 30614, Czech Republic

[2] Inst Chem Technol, Dept Analyt Chem, CR-16628 Prague 6, Czech Republic

[3] Nucl Res Inst, CZ-25068 Rez, Czech Republic

[4] Masaryk Univ, Fac Sci, Dept Inorgan Chem, CS-61137 Brno, Czech Republic

来源：

ACTA CHIMICA SLOVENICA | 2011年 / 58卷 / 04期

关键词：

Calcium; strontium; hydrogen dicarbollylcobaltate; 2,6-(diphenylphosphino)pyridine dioxide; water-nitrobenzene system; extraction and stability constants; ACIDIC RADIOACTIVE-WASTE; STABILITY-CONSTANTS; CLASSICAL CMPO; UNEX PROCESS; MICROAMOUNTS; WATER; BARIUM; CESIUM; ACTINIDES; COMPLEXES;

D O I：

暂无

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

Solvent extraction of microamounts of calcium and strontium by a nitrobenzene solution of hydrogen dicarbollylcobaltate (H(+)B(-)) in the presence of 2,6-(diphenylphosphino) pyridine dioxide (DPPPDO, L) has been investigated. The equilibrium data have been explained assuming that the species HL(+), HL(2)(+), CaL(2)(2+), CaL(3)(2+), SrL(2)(2+), SrL(3)(2+) and SrL(4)(2+) are extracted into the organic phase. The values of extraction and stability constants of the species in nitrobenzene saturated with water have been determined.

引用

页码：860 / 865

页数：6

共 42 条

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