DETERMINATION OF RARE-EARTH ELEMENTS BY LIQUID-CHROMATOGRAPHIC SEPARATION USING INDUCTIVELY COUPLED PLASMA MASS-SPECTROMETRIC DETECTION

被引：51

作者：

BRAVERMAN, DS

机构：

[1] National Institute of Standards and Technology, Chemical Science and Technology Laboratory, Gaithersburg

来源：

JOURNAL OF ANALYTICAL ATOMIC SPECTROMETRY | 1992年 / 7卷 / 01期

关键词：

INDUCTIVELY COUPLED PLASMA MASS SPECTROMETRY; LIQUID CHROMATOGRAPHY; RARE EARTH ELEMENTS; COAL FLY ASH; ISOTOPE DILUTION;

D O I：

10.1039/ja9920700043

中图分类号：

O65 [分析化学];

学科分类号：

070302 ; 081704 ;

摘要：

High-performance liquid chromatography (HPLC) is used to separate the rare earth elements (REEs) prior to detection by inductively coupled plasma mass spectrometry (ICP-MS). The use of HPLC-ICP-MS in series combines the separation power and speed of HPLC with the sensitivity, isotopic selectivity and speed of ICP-MS. The detection limits for the REEs are in the sub-ng ml-1 range and the response is linear over four orders of magnitude. A preliminary comparison of isotope dilution and external standard results for the determination of REEs in National Institute of Standards and Technology (NIST) Standard Reference Material (SRM 1633a) Fly Ash is presented.

引用

页码：43 / 46

页数：4

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