Issue 6, 2016

Total arsenic analysis in Californian wines with hydride generation – microwave plasma – atomic emission spectroscopy (HG-MP-AES)

Abstract

The total arsenic concentrations of forty Californian wine samples were analyzed using a novel hydride generation-microwave plasma atomic emission spectroscopy (HG-MP-AES). Prior to analysis, various arsenic species were reduced with potassium iodide, and detected as gaseous arsenic trihydride. The method detection limit was determined to be 0.38 μg L−1. Total arsenic levels of the different tested wine styles (white, rose, red, Port, sparkling) ranged from below the detection limit to 43.8 μg L−1. The developed method provides quick and reliable quantitation of total arsenic content for a variety of wine styles down to levels below the EPA drinking water limit (10 μg L−1). This is the first report of HG-MP-AES, utilizing the Multimode Sample Introduction System (MSIS), for the determination of total arsenic.

Graphical abstract: Total arsenic analysis in Californian wines with hydride generation – microwave plasma – atomic emission spectroscopy (HG-MP-AES)

Article information

Article type
Technical Note
Submitted
16 ፌብሩ 2016
Accepted
11 ኤፕሪ 2016
First published
11 ኤፕሪ 2016

J. Anal. At. Spectrom., 2016,31, 1223-1227

Total arsenic analysis in Californian wines with hydride generation – microwave plasma – atomic emission spectroscopy (HG-MP-AES)

C. K. Tanabe, H. Hopfer, G. Gilleland, A. Liba, S. E. Ebeler and J. Nelson, J. Anal. At. Spectrom., 2016, 31, 1223 DOI: 10.1039/C6JA00051G

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