Correction and analysis of lead content in soil by laser-induced breakdown spectroscopy

被引：0
|
作者：
谢承利 [1 ]
陆继东 [1 ]
李鹏艳 [1 ]
李捷 [1 ]
林兆祥 [2 ]
机构：
[1] State Key Laboratory of Coal Combustion,Huazhong University of Science and Technology
[2] College of Electrics and Information Engineering,South-Central University for Nationalities
来源：
Chinese Optics Letters | 2009年 / 7卷 / 06期
基金：
中国国家自然科学基金;
关键词：
line; Correction and analysis of lead content in soil by laser-induced breakdown spectroscopy; soil;
D O I：
暂无
中图分类号：
O433 [光谱学];
学科分类号：
0703 ; 070302 ;
摘要：
The laser-induced breakdown spectroscopy is used to analyze the lead content in soils.The analyzed spectral line profile is fitted by Lorentzian function for determining the background and the full-width at half-maximum (FWHM) intensity of spectral line.A self-absorption correction model based on the information of spectral broadening is introduced to calculate the true value of spectral line intensity,which refers to the elemental concentration.The results show that the background intensity obtained by spectral profile fitting is very effective and important due to removing the interference of spectral broadening,and a better precision of calibration analysis is acquired by correcting the self-absorption effect.
引用
收藏
页码：545 / 548
页数：4
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