Laser-induced breakdown spectroscopy for determination of the organic oxygen content in anthracite coal under atmospheric conditions

被引：56

作者：

Zhang, Lei ^{[1
]}

Dong, Lei ^{[1
]}

Dou, Haipeng ^{[1
]}

Yin, Wangbao ^{[1
]}

Jia, Suotang ^{[1
]}

机构：

[1] Shanxi Univ, Coll Phys & Elect Engn, State Key Lab Quantum Opt & Quantum Opt Devices, Taiyuan 030006, Peoples R China

来源：

APPLIED SPECTROSCOPY | 2008年 / 62卷 / 04期

关键词：

laser-induced breakdown spectroscopy; LIBS; organic oxygen; coal; multi-line analysis method; relation coefficient; temperature correction;

D O I：

10.1366/000370208784046786

中图分类号：

TH7 [仪器、仪表];

学科分类号：

0804 ; 080401 ; 081102 ;

摘要：

Laser-induced breakdown spectroscopy has been used to measure the organic oxygen content in pulverized anthracite coal under atmospheric conditions. Special spectral processing including the optimal O(I) emission-line selection by comparing the spectral correlation coefficients with the N(I) line, internal normalization with the N(I) line, and temperature correction are proposed and employed to satisfy the multi-line analysis method and yield the most accurate quantitative results. The calibration method for determining the organic oxygen content of coal is presented, with an accuracy of 1.15-1.37% and an average relative error of 19.39% being evaluated through an experiment performed on six anthracite coal samples. The relative measurement error distribution has also been studied.

引用

页码：458 / 463

页数：6

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