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Field Determination of Cr(VI) in Water At Low PPB Level

 

作者: Victor Ososkov,   Barbara Kebbekus,   David Chesbro,  

 

期刊: Analytical Letters  （Taylor Available online 1996）
卷期: Volume 29, issue 10  

页码: 1829-1850

 

ISSN:0003-2719

 

年代: 1996

 

DOI:10.1080/00032719608001527

 

出版商: Taylor & Francis Group

 

关键词: Hexavalent chromium;solid phase spectrophotometry;diphenylcarbazide;water analysis

 

数据来源: Taylor

 

摘要:

Methods for determining chromium (VI) at the ppb level, in tap water and ground water, were developed. These make use of anion exchange resin beads or anion exchange membrane filters to preconcentrate the Cr(VI) and separate it from interfering cations. The color is developed by reaction with diphenylcarbazide and the quantitation is carried out using a portable UV/Vis spectrometer, in the liquid or solid phase, or by visual color matching. These methods are suitable for use in the field.

 

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