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EPR Spectroscopy as an Alternative Analytical Method for Copper Determination in Alcoholic Beverages

 

作者: B.R. McGarvey,   M.S. Schultz,   L.C.G. Vasconcellos,   C.W.B. Bezerra,   D.W. Franco,  

 

期刊: Analytical Letters  （Taylor Available online 1999）
卷期: Volume 32, issue 4  

页码: 761-770

 

ISSN:0003-2719

 

年代: 1999

 

DOI:10.1080/00032719908542854

 

出版商: Taylor & Francis Group

 

关键词: Electron Paramagnetic Resonance (EPR) Spectroscopy;Atomic Absorption (AA) Spectroscopy;Copper Analysis;Alcoholic Beverages

 

数据来源: Taylor

 

摘要:

An alternative, highly selective method for cooper(II) analysis in alcoholic beverages (brandies) is proposed using EPR spectroscopy. The method is simple, non destructive, fast and can be used for concentrations down to 100 ppb, with 1.1% (x= 1.55, s = 0.0179) RSD (relative standard deviation) and 98.7% accuracy.

 

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