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Royal Society of Chemistry, Analytical Methods, 14(6), p. 5392

DOI: 10.1039/c4ay00423j

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Hydride generation ICP-MS as a simple method for determination of inorganic arsenic in rice for routine biomonitoring

This paper is available in a repository.
This paper is available in a repository.

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Abstract

Inorganic arsenic (iAs) concentration was measured in 44 rice product samples, covering a wide range of iAs concentrations, using both hydride generation (HG) ICP-MS and HPLC-ICP-MS. Linear regression showed good linearity (R2 of 0.99) with a slope close to 1 (0.969 +/- 0.015) and similar sensitivity showing that HPLC can robustly be replaced by a simple HG system, shortening the measurement time and resulting in easier data treatment as no manual integration of peaks is necessary. With upcoming regulations on iAs concentration in rice in the EU it is important that regulators do not prescribe only one standard method since it excludes new instrumental developments