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Matrix Modification for Furnace Atomic Absorption Spectrometric Determination of Arsenic in Whole Human Blood

D K Eaton, J R McCutcheon

J Anal Toxicol. Sep-Oct 1985;9(5):213-6.

PMID: 4057958

Abstract:

A method for the determination of arsenic in whole human blood is presented. To decrease the matrix effects from this complex sample, the blood was prediluted with a matrix modifier solution. The modifier solution contained a surfactant, Triton X-100, which homogenized the sample and allowed accurate pipetting by an autosampler. The modifier also contained nickel nitrate which stabilized the arsenic and allowed ash temperatures of 1400 degrees C without loss of the arsenic. The method exhibited a sensitivity of 5 micrograms/L (concentration/1% absorption) which was sufficient for the forensic evaluation of elevated arsenic levels in the blood.

Chemicals Related in the Paper:

Catalog Number Product Name Structure CAS Number Price
LS78301 Nickel matrix modifier solution Nickel matrix modifier solution Price
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