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

来源：

JOURNAL OF THE INDIAN CHEMICAL SOCIETY | 2000年 / 77卷 / 09期

关键词：

D O I：

暂无

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.

引用

页码：455 / 457

页数：3

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