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Selective Amperometric Determination of Thorium by Ethyl Cyanoglyoxalate Phenyl-2-Carboxylic Acid Hydrazone

 

作者: Bina Jain,   S.N. Tandon,   R.N. Goyal,  

 

期刊: Analytical Letters  （Taylor Available online 1979）
卷期: Volume 12, issue 5  

页码: 445-449

 

ISSN:0003-2719

 

年代: 1979

 

DOI:10.1080/00032717908055696

 

出版商: Taylor & Francis Group

 

关键词: Amperometry-thorium-ethyl;cyanoglyoxalate phenyl-2-carboxylic acid hydrazone

 

数据来源: Taylor

 

摘要:

The reagent ethyl cyanoglyoxalate phenyl-2-carboxyllc acid hydrazone has been developed for the selective amperometric determination of thorium. Commonly associated ions like UO2+2, Pe3+, La3+, Ce4+, and Zr4+do not interfere even when present in ten fold molar excess. 23μg to 4.6mg thorium can be determined within an error of ±1.5 percent.

 

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