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
收藏
页码：228 / 231
页数：4
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