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The Extraction and Speciation of Arsenic in Rice Flour by HPLC-ICP-MS

The Extraction and Speciation of Arsenic in Rice Flour by HPLC-ICP-MS

Tomohiro Narukawa, Kazumi Inagaki, Takayoshi Kuroiwa, Koichi Chiba

Talanta. 2008 Oct 19;77(1):427-32.

PMID: 18804656

Abstract:

Several solvent mixtures and techniques for the extraction of arsenic (As) species from rice flour samples prior to their analysis by HPLC-ICP-MS were investigated. Microwave-assisted extraction using water at 80 degrees C for 30 min provided the highest extraction efficiency. Total recoveries of extracted As species were in good agreement with the total As concentrations determined by ICP-MS after microwave-assisted acid digestion of the samples. Arsenite [As(III)], arsenate [As(V)] and dimethylarsinic acid (DMAA) were the main species detected in rice flour samples.

Chemicals Related in the Paper:

Catalog Number	Product Name	Structure	CAS Number	Price
AS25106	Rice flour (Total As and As species)			Price

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