EXTRACTION OF PALLADIUM FROM NITRATE SOLUTION BY TRIPHENYLPHOSPHINE OR TRIPHENYLPHOSPINE OXIDE IN CHLOROFORM

被引：17

作者：

ELREEFY, SA

DAOUD, JA

ALY, HF

机构：

[1] Hot Laboratory Centre, Atomic Energy Authority, Cairo

来源：

JOURNAL OF RADIOANALYTICAL AND NUCLEAR CHEMISTRY-ARTICLES | 1992年 / 158卷 / 02期

关键词：

D O I：

10.1007/BF02047117

中图分类号：

O65 [分析化学];

学科分类号：

070302 ; 081704 ;

摘要：

It is found that from aqueous nitric acid media, Pd is highly extracted by chloroform solutions containing triphenylphosphine (Ph3P) and not extracted by triphenylphosphine oxide (Ph3PO) diluted with chloroform. The effect of diluent, nitric acid molarities, Ph3P concentration and temperature on palladium extraction by Ph3P was investigated. Slope analysis of the experimental results indicated that the main extracted species is in the form of Pd(NO3)2.2Ph3P.IR spectrum analysis of the extracted complex indicated the direct extraction of palladium as nitrate and bonding to phosphorus. Extraction of some fission product radionuclides from 2M HNO3 showed the selective extraction of palladium by Ph3P in chloroform.

引用

页码：303 / 312

页数：10

共 10 条

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[2]

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