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

Multi-elemental Analysis of Hair by Inductively Coupled Plasma/Mass Spectrometry

Analytical Science and Technology / Analytical Science and Technology, (P)1225-0163; (E)2288-8985
2002, v.15 no.4, pp.335-340



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Abstract

An analytical method has been developed to determine multi-elements in human hair samples by inductively coupled plasma mass spectrometry (ICP-MS). 0.05 g of hair sample was added to the Teflon digestion bomb together with 1.5 mL of nitric acid and an appropriate amount of In as an internal standard. The sample was then decomposed in the microwave digestion system. The hair certified reference material, GBW 09101, was analyzed for the validation of the analytical method. The determined values were in good agreement with the certified values within the uncertainty range.

keywords
human hair, ICP-MS, multi-elemental analysis, microwave digestion, internal standard


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