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This document describes a method for rapidly determining five arsenic species (As(V), MMA, As(III), DMA, and AsB) in polished rice using HPLC-ICP-MS. The method separates the five arsenic species within 4 minutes on a ZORBAX SB-Aq column. Detection limits in the low ppb range were achieved. The method was used to analyze certified reference materials and demonstrated its ability to perform ultra-trace analysis of arsenic species in rice.

Author

Ben Watkin

Language

EN