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Determination of antimony in human blood with inductively coupled plasma-mass spectrometry

Archived Abstract of Former PSC Researcher

Bazzi, A., J.O. Nriagu, Marcia Inhorn, and A.M. Linder. 2005. "Determination of antimony in human blood with inductively coupled plasma-mass spectrometry." Journal of Environmental Monitoring, 7(12): 1251-1254.

A method is presented for the determination of antimony in whole human blood samples with an ICP-MS instrument using a quadrupole mass analyzer. A nitric acid/hydrogen peroxide open digestion procedure was employed for the blood sample treatment and preparation for analysis. The precision and accuracy of the method were evaluated by analyzing several Seronorm (TM) trace elements whole blood reference materials. The precision of the method at various antimony levels was better than 4% RSD and the recovery was greater than 92% at all levels. The detection limit, calculated as three times the standard deviation of the blank ( 3 sigma, n = 12), was 0.03 mu g L-1. The method was successfully applied for the determination of antimony in blood samples from school children in rural areas of Kwazulu/Natal, South Africa and adults from Dearborn, Michigan. Blood antimony levels ranged from < 0.03 to 3.82 mu g L-1 in children and 1.40 to 4.35 mg L-1 for adults.

DOI:10.1039/b510088g (Full Text)

Countries of focus: South Africa, United States.

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