Quantification of Trace Arsenic in Whole Blood by ICP-QMS/QMS

Junko SHIRATAKI; Kazuyuki FUJISAKI; Kouichi SAKAGUCHI; Nobuyuki SATO

doi:10.2116/analsci.18SBN03

Notes

Quantification of Trace Arsenic in Whole Blood by ICP-QMS/QMS

Junko SHIRATAKI, Kazuyuki FUJISAKI, Kouichi SAKAGUCHI, Nobuyuki SATO

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Keywords: Arsenic, whole blood, ICP-QMS/QMS, mass-shift

JOURNAL FREE ACCESS

2018 Volume 34 Issue 6 Pages 735-738

DOI https://doi.org/10.2116/analsci.18SBN03

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Abstract

ICP-QMS/QMS was applied to whole blood samples to determine the quantity of trace As. It was found that Fe also causes polyatomic interference with As in conventional ICP-QMS, in addition to Ca and Cl, and ICP-QMS/QMS can remove these interferences in mass-shift mode using O₂ as reaction gas. The ICP-QMS/QMS technique allows the determination of As at sub-ng mL⁻¹ levels.

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