A Study on the Determination of Rare Earth Elements by Inductively Coupled Plasma Spectrometry

Inductively Coupled Plasma 법을 이용한 희토류원소의 분석에 관한 연구

  • 최범석 (경희대학교 자연대학 화학과) ;
  • 김선태 (한국과학기술연구원 화학분석실) ;
  • 김영만 (한국과학기술연구원 화학분석실) ;
  • 이종욱 (한국과학기술연구원 화학분석실)
  • Published : 1985.08.20


The effect of plasma operational parameters for the determination of rare earth elements(REE) by means of inductively coupled plasma(ICP) spectrometry was investigated. While the increase in the flow rate of carrier gas argon enhanced the sensitivity and lowered the detection limit, significant ionization interferences were observed. The decrease in RF power increased the signal to background ratio. The observation point showing the lowest ionization interference was slightly higher than the position where the spatial profile of the analyte reached the maximum. The detection limits of the spectral lines commonly used for the determination of REE were measured and the spectral lines relatively free from spectral interferences were chosen.



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