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Determination of Platinum Metals III. An Extraction Spectrophotometaic Determination of Tetravalent Osmium

 

作者: O. Božkov,   L. Čermáková,   M. Malát,  

 

期刊: Analytical Letters  （Taylor Available online 1979）
卷期: Volume 12, issue 12  

页码: 1259-1266

 

ISSN:0003-2719

 

年代: 1979

 

DOI:10.1080/00032717908067916

 

出版商: Taylor & Francis Group

 

关键词: spectrophotometric analysis;osmium(IV);extraction;1-carbethoxypentadecyltrimethylammonium bromide (CPTB)

 

数据来源: Taylor

 

摘要:

A new spectrophotometry determination of Os(IV) has been developed, based on the formation of the [OsCl6]2−- 1-carb-ethoxypentadecyltrimethylammonium cation ion-associate extract-able into chloroform. The measurement is carried out at 340 or 376 nm. It is possible to determine 1.5 to 18.6 μg Os in 1 ml of the chloroform phase.

 

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