[Research on accurate measurement of oxygen content in coal using laser-induced breakdown spectroscopy in air environment].
Guang Pu Xue Yu Guang Pu Fen Xi
; 32(1): 200-3, 2012 Jan.
Article
em Zh
| MEDLINE
| ID: mdl-22497159
ABSTRACT
A technique about accurate measurement of oxygen content in coal in air environment using laser-induced breakdown spectroscopy (LIBS) is introduced in the present paper. Coal samples were excited by the laser, and plasma spectra were obtained. Combining internal standard method, temperature correction method and multi-line methods, the oxygen content of coal samples was precisely measured. The measurement precision is not less than 1.37% for oxygen content in coal analysis, so is satisfied for the requirement of coal-fired power plants in coal analysis. This method can be used in surveying, environmental protection, medicine, materials, archaeological and food safety, biochemical and metallurgy application.
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Coleções:
01-internacional
Base de dados:
MEDLINE
Idioma:
Zh
Ano de publicação:
2012
Tipo de documento:
Article