Analytical Science and Technology (분석과학)

The Korean Society of Analytical Sciences (한국분석과학회)
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Multi - elemental Analysis of Hair by Inductively Coupled Plasma/Mass Spectrometry

유도결합 플라스마 질량분석법에 의한 모발의 다원소 분석

  • 차명진 (메디넥스(주) 부설연구소) ;
  • 강준모 (메디넥스(주) 부설연구소) ;
  • 박창준 (한국표준과학연구원 물질량표준부)
  • Received : 2002.05.03
  • Published : 2002.08.25
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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.

유도결합 플라스마 질량분석법 (ICP-MS)을 이용하여 모발 중 다원소 동시 정량법을 확립하였다. 0.05 g의 모발 시료에 내부표준물질인 In을 가하고 질산 1.5 mL와 함께 테플론 가압분해 용기에 넣어 마이크로파를 이용하여 분해하는 시료전처리법을 사용하였다. 측정값의 정확도 및 신뢰도를 확인하기 위하여 모발 인증표준물질인 GBW 09101을 반복 분석하였는데 측정값은 인증값과 불확도 범위 내에서 잘 일치하는 결과를 얻었다.

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References

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