期刊
SPECTROCHIMICA ACTA PART B-ATOMIC SPECTROSCOPY
卷 64, 期 1, 页码 113-118出版社
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.sab.2008.10.023
关键词
Slurry; Laser induced breakdown spectroscopy; Echelle spectrometer; Czerny-Turner spectrometer
类别
资金
- U.S. Department of Energy (DOE) Cooperative [DE-FC01-06EW07040]
Laser-induced breakdown spectroscopy (LIBS) was applied to the analysis of simulant slurry samples used in the vitrification process of liquid radioactive wastes. A spectroscopic analysis was performed by two different detection systems: Czerny-Turner spectrometer coupled with intensified diode array detector (IDAD) and an Echelle spectrometer with intensified charge coupled device (ICCD). For the Czerny-Turner detection system. the normalized intensity method, which is the normalization of the atomic emission intensity by the released whole plasma emission area intensity. was employed to improve the reproducibility of LIBS signals. The Echelle detection system showed a high efficiency in simultaneous multi-element detection and determination of the physical quantities of the simulant. (C) 2008 Elsevier B.V. All rights reserved.
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