Dicyclohexano 18 crown 6 in butanol-octanol mixture: A promising extractant of Sr(II) from nitric acid medium

被引：44
|
作者：
Kumar, A
Mohapatra, PK
Pathak, PN
Manchanda, VK
机构：
[1] BHABHA ATOM RES CTR,DIV RADIOCHEM,BOMBAY 400085,MAHARASHTRA,INDIA
[2] BHABHA ATOM RES CTR,WASTE MANAGEMENT PROJECTS DIV,BOMBAY 400085,MAHARASHTRA,INDIA
来源：
TALANTA | 1997年 / 45卷 / 02期
关键词：
dicyclohexano; 18; crown; 6; butanol-octanol mixture; Sr(II);
D O I：
10.1016/S0039-9140(97)00142-2
中图分类号：
O65 [分析化学];
学科分类号：
070302 ; 081704 ;
摘要：
The extraction of strontium from nitric acid medium was investigated employing DCH18C6 in aliphatic alcohols as the diluents. 80% Butanol-20%, octanol mixture was found to give higher D-Sr values as compared to other alcohols investigated. A linear correlation between the organic phase water content and D-Sr was observed, based on which the extraction mechanism was postulated. Effect of anion, cation, extractant concentration, nitric acid concentration and temperature on D-Sr was also studied. Conditions for recovery (> 90%) were arrived at and selectivity with respect to other interfering fission products was observed with most of the metal ions studied. (C) 1997 Elsevier Science B.V.
引用
收藏
页码：387 / 395
页数：9
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