期刊
SPECTROCHIMICA ACTA PART B-ATOMIC SPECTROSCOPY
卷 64, 期 10, 页码 1098-1104出版社
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.sab.2009.07.010
关键词
LIBS; Sulfur; Ambient condition; Mineral; On-line analysis
类别
Different options of laser-induced breakdown spectroscopy arrangements for on-line analyses of sulfur in minerals in ambient conditions have been investigated. Depending on the sulfur concentration and the sample type, the following conditions appear as optimal: for concentration values of 20-30% (for example Cu and Ni ores, gypsum, anhydrite, and barite) it is the single-pulse option with emission in near infra-red; for concentration values of 5-10% it is the double-pulse option with emission in the green; for concentration values down to 0.2% (for example in coal) it is the single-pulse option in near VUV with a N-2 filled spectrometer. (C) 2009 Elsevier B.V. All rights reserved.
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