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  • P-ISSN 1225-0163
  • E-ISSN 2288-8985

A Study of Analytical Method for Trace Metal Ions in Whole Blood and Urine by Inductively Coupled Plasma-Mass Spectrometry using Solid-Liquid Extraction Technique

Analytical Science and Technology / Analytical Science and Technology, (P)1225-0163; (E)2288-8985
1998, v.11 no.4, pp.281-291
Lee, Won
Hur, Young-Hoe
Park, Kyung-Su
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Abstract

An analytical method for the simultaneous measurement of trace Cu, Sn, and Bi in blood and urine has been investigated by Inductively Coupled Plasma-Mass Spectrometry (ICP-MS). Microwave oven was used for the pretreatment of blood samples using nitric acid and hydrogen peroxide in a closedvessel digestion system with 1 mL whole blood for 8 minutes. Amberlite IRC-718 resin was used as a solid phase in solid-liquid extraction technique for the removal of matrix interferences such as Na, S, P, and other polyatomic ion species. Detection limits for Cu, Sn, and Bi by this method were 0.000375 ng/mL, 0.000297 ng/mL, and 0.000174 ng/mL, respectively. Recoveries of 99.1% for Cu, 102.5% for Sn, and 98.4% for Bi were obtained for the standard spiked NIST SRM 955a blood sample. The developed method was applied for whole real blood and urine samples.

keywords
lCP-MS, whole blood, urine, analysis, solid-liquid extraction


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