Arsenic Speciation Using Hamilton PRP-X100

Press Release
Article
The Application NotebookThe Application Notebook-06-01-2019
Pages: 414

Organic arsenic compounds added to feed stocks of chicken and poultry pose serious environmental and ecological threats. National and worldwide health organizations, such as the U.S. Environmental Protection Agency and the U.S. Food and Drug Administration, have recently implemented more stringent concentration limits for arsenic species in drinking water and foodstuffs.

Analysis of arsenic species is made challenging due to diverse sample matrices. To circumvent these problems, an HPLC ICP-MS method has been developed. Resolution of arsenic compounds is achieved by ion exchange chromatography on a Hamilton PRP-X100 column, a 55% cross-linked polystyrene-divinylbenzene copolymer functionalized with quaternary ammonium anion-exchanger group. Detection is accomplished by inductively coupled plasma–mass spectrometry.

Figure 1: Borrowed and adapted (with permission) from P. Alava et al., Biomed. Chromatogr. 26, 524–533 (2012).

Figure 1: Borrowed and adapted (with permission) from P. Alava et al., Biomed. Chromatogr. 26, 524–533 (2012).

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