CHEMICAL REACTIVITY OF TRIBUTYL PHOSPHATE WITH SELECTED SOLVENT EXTRACTION REAGENTS

被引：3

作者：

Barnard, K. R. ^{[1
]}

Shiers, D. W. ^{[1
]}

Kelly, N. J. ^{[1
]}

机构：

[1] CSIRO Minerals Natl Res Flagship, Parker Ctr, CSIRO Proc Sci & Engn, Karawara, WA 6152, Australia

来源：

SOLVENT EXTRACTION AND ION EXCHANGE | 2012年 / 30卷 / 06期

关键词：

tributyl phosphate; TBP; Cyanex; DEHPA; Ionquest; MEHPA; Alamine; LIX; Acorga; Versatic; BINARY-MIXTURES; DEGRADATION; RECOVERY; ACIDS; RADIOLYSIS; SULFIDES;

D O I：

10.1080/07366299.2012.700582

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

It has recently been shown that Cyanex 272 can react with tributyl phosphate (TBP) to form the corresponding butyl ester species under both commercial and anhydrous operating conditions. The present work found that acidic organic extractants MEHPA, DEHPA, Ionquest 801, Cyanex 302, Cyanex 301, and decanoic acid also react with TBP to form the corresponding butyl ester species and dibutyl phosphate under anhydrous conditions at 65 degrees C, whereas non-acidic reagents Alamine 308, LIX 84, LIX 63, and Acorga M5640 do not. Excluding MEHPA, the rate of ester formation appears inversely correlated with the pKa of the organic acid used.

引用

页码：651 / 667

页数：17

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