Semi-quantitative analysis of geological samples using laser plasma time-of-flight mass spectrometry

被引：13

作者：

Tong, Qingguo ^{[1
]}

Yu, Quan ^{[1
]}

Jin, Xianzhong ^{[1
]}

He, Jian ^{[2
]}

Hang, Wei ^{[1
,2
]}

Huang, Benli ^{[1
]}

机构：

[1] Xiamen Univ, Dept Chem, Coll Chem & Chem Engn, Key Lab Analyt Sci Minist Educ, Xiamen 361005, Peoples R China

[2] Xiamen Univ, Dept Mech & Elect Engn, Xiamen 361005, Peoples R China

来源：

JOURNAL OF ANALYTICAL ATOMIC SPECTROMETRY | 2009年 / 24卷 / 02期

基金：

中国国家自然科学基金;

关键词：

ELEMENTAL ANALYSIS; ABLATION; IONIZATION;

D O I：

10.1039/b808114j

中图分类号：

O65 [分析化学];

学科分类号：

070302 ; 081704 ;

摘要：

A method has been developed that allows the direct measurement of the elemental composition of geological samples based on a newly developed laser plasma time-of-flight mass spectrometer with a collisional cooling system. This technique has the merits of small sample consumption and rapid elemental analysis. Four geological reference materials were used in the experiment. The system has shown a satisfactory resolving power with few interferences in the spectra. The limits of detection were about 10(-6)-10(-7) g g(-1) for most of the metal elements. The relative sensitivity coefficients (RSCs) of the elements with mass heavier than 30 amu could be used for direct semi-quantitative analysis.

引用

页码：228 / 231

页数：4

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