2010•Chinese Journal of Analysis LaboratoryRequires access

Determination of Al、Mn、Ni、Zn、Pb、Th in rare earth chloride and carbonate by inductively coupled plasma-mass spectrometry

Deng Dong-qing

Abstract

A method for the determination of impurities( Al、Mn、Ni、Zn、Pb、Th)in rare earth chloride and carbonate by inductively coupled plasma-mass spectrometry is described.The acidity of sample solution,spectroscopic interference and matrix effect of the ICP MS method were investigated in detail.The rare earth matrix suppression effect and sensitivity drift can be effectively compensated by adopting indium as internal standard.The RSDs were in the range of 0.70%～2.44%,respectively.The recoveries were in the range of 98%～103%.

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Key concepts: Chemistry, Inductively coupled plasma mass spectrometry, Chloride, Carbonate, Inductively coupled plasma, Matrix (chemical analysis), Mass spectrometry, Analytical Chemistry (journal)