Liquid-liquid extraction and separation of barium from associated elements using dibenzo-24-crown-8

被引:0
|
作者
Mohite, BS [1 ]
Burungale, SH [1 ]
Mane, SG [1 ]
机构
[1] Shivaji Univ, Dept Chem, Analyt Environm Chem Lab, Kolhapur 416004, Maharashtra, India
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中图分类号
O6 [化学];
学科分类号
0703 ;
摘要
A simple extractive separation method for trace level of barium (2.5-25 ppm) has been developed using dibenzo-24-crown-8 from picric acid medium, Barium is quantitatively extracted front 0.008-0.05 M picric acid with 0.0008-0.01 dl dibenzo-24-crown-8 in nitrobenzene as a diluent, From the organic phase barium is quantitatively stripped Kith 1-10 M HNO3 and HClO4, 1-8 M HBr, 0.1-2.0 M HCl. Separation of barium has been carried out from a number of binary and multicomponent mixtures. The method is extended for the determination of barium in various rock samples.
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页码:455 / 457
页数:3
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