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Tolmachyov, S.; Kuwabara, Jun*; Noguchi, Hiroshi
Journal of Radioanalytical and Nuclear Chemistry, 261(1), p.125 - 131, 2004/07
Times Cited Count:24 Percentile:80.15(Chemistry, Analytical)A method based on flow injection extraction chromatography coupled with on-line ICP-MS (FI-EC-ICPMS) for simultaneous thorium and uranium determination in human body fluids (urine and blood) has been developed and validated. By using extraction chromatography, the limits of detection for Th, U and U were achieved 0.06 ng l, 0.0014 ng l and 0.05 ng l, respectively. The FI-EC-ICPMS method accuracy was 102.4% and 101.5% with overall precision (RSDmax at 95% CI) of 5.3% and 4.9% for Th and U, respectively. The U/U atom ratio is measured with 1.8% precision. The technique was employed for simultaneous thorium and uranium analyses in human urine and blood samples after microwave digestion.
Kuwabara, Jun; Tolmachyov, S.; Noguchi, Hiroshi
Journal of Nuclear Science and Technology, 39(Suppl.3), p.556 - 559, 2002/11
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