In situ Analysis of Na and K in a Laminar Premixed Flame by Laser-induced Breakdown Spectroscopy

doi:10.1007/s40242-013-3268-3

Chemical Research in Chinese Universities ›› 2013, Vol. 29 ›› Issue (6): 1149-1152.doi: 10.1007/s40242-013-3268-3

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In situ Analysis of Na and K in a Laminar Premixed Flame by Laser-induced Breakdown Spectroscopy

LI Yu^1,2, ZHANG Han-zhuang¹, LI Zhong-shan³, LI Hong-dong², ZHANG Chun-wei¹, HU Chang-hong^1,2

1. College of Physics, Jilin University, Changchun 130012, P. R. China;
2. State Key Laboratory of Superhard Materials, Jilin University, Changchun 130012, P. R. China;
3. Division of Combustion Physics, Lund University, Lund, Sweden

Received:2013-06-26 Revised:2013-08-26 Online:2013-12-01 Published:2013-09-17
Contact: ZHANG Han-zhuang, HU Chang-hong E-mail:huch@jlu.edu.cn;zhanghz@jlu.edu.cn
Supported by:
Supported by the National Natural Science Foundation of China(No.11004077) and the Natural Science Foundation of Jilin Province, China(Nos.201115031, 201201028).

Abstract

Abstract:

Laser-induced breakdown spectroscopy(LIBS) was used to in situ monitor the concentration of alkali elements in combustion environments. Particular efforts were made to optimize the temporally resolved spectra of Na and K elements. Calibration curves were constructed by relating the intensities of the specific lines to the corresponding elemental concentrations. The detection limits of Na and K elements were found to be temperature-dependent. The results indicate that LIBS can be a powerful tool for in situ monitoring Na and K concentrations in combustion environments.

Key words: eywords Laser-induced breakdown spectroscopy(LIBS), Alkali metal, Solution-seeded, Calibration curve

LI Yu, ZHANG Han-zhuang, LI Zhong-shan, LI Hong-dong, ZHANG Chun-wei, HU Chang-hong. In situ Analysis of Na and K in a Laminar Premixed Flame by Laser-induced Breakdown Spectroscopy[J]. Chemical Research in Chinese Universities, 2013, 29(6): 1149-1152.

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In situ Analysis of Na and K in a Laminar Premixed Flame by Laser-induced Breakdown Spectroscopy

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