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Ion-Exchange Method for Analysis of Four Arsenic Species and its Application to Tap Water Analysis

 

作者: E. González Soto,   E. Alonso Rodríguez,   P. López Mahía,   S. Muniategui Lorenzo,   D. Prada Rodríguez,  

 

期刊: Analytical Letters  （Taylor Available online 1995）
卷期: Volume 28, issue 15  

页码: 2699-2718

 

ISSN:0003-2719

 

年代: 1995

 

DOI:10.1080/00032719508007420

 

出版商: Taylor & Francis Group

 

关键词: Inorganic Arsenic;Organic Arsenic;Ion-Exchange Chromatography;Atomic Absorption Spectrometry;Hydride Generation

 

数据来源: Taylor

 

摘要:

Arsenic (III), arsenic (V), monomethylarsonic acid (MMA), and dimethylarsinic acid (DMA) were separated by ion-exchange chromatography. The elution sequence was as follows: 1.5 M ammonia followed by 0.12 M hydrochloric acid yielding As(III); 1 M hydrochloric acid followed by water yielding first As(V) and then MMA. Detection was performed by hydride generation-atomic absorption spectrometry.

 

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