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Proceedings Paper

Determination of metals in liquid by laser-induced breakdown spectroscopy
Author(s): Zhaoxiang Lin; Liang Chang; Jie Li; Yelin Liu; Linmei Liu
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Paper Abstract

This paper reports studies on metals in the liquid by laser-induced breakdown spectroscopy in order to detection of heavy metals in industrial wastewater. A measuring device by LIBS has been established which including the Nd:YAG laser, Echelle spectrograph, intensified charge-coupled device (ICCD) and liquid jet. The characteristic spectral lines of twelve metals in actual industrial wastewater from a certain nonferrous metals company were analyzed using LIBS. The calibration curves of the metals in liquid were acquired by the experiment and the linear correlation coefficients were high. The detection limits of metals obtained from the liquid were low, especially for the Ca, Cu, K, Mg, Mn and Na. The results show that the measuring system can be applied in the on-line, rapid detection of heavy metals in industrial wastewater, and it has wide range of applications.

Paper Details

Date Published: 29 August 2009
PDF: 6 pages
Proc. SPIE 7382, International Symposium on Photoelectronic Detection and Imaging 2009: Laser Sensing and Imaging, 73821T (29 August 2009); doi: 10.1117/12.835687
Show Author Affiliations
Zhaoxiang Lin, South-Central Univ. for Nationalities (China)
Liang Chang, South-Central Univ. for Nationalities (China)
Jie Li, Huazhong Univ. of Science and Technology (China)
Yelin Liu, South-Central Univ. for Nationalities (China)
Linmei Liu, South-Central Univ. for Nationalities (China)


Published in SPIE Proceedings Vol. 7382:
International Symposium on Photoelectronic Detection and Imaging 2009: Laser Sensing and Imaging
Farzin Amzajerdian; Chun-qing Gao; Tian-yu Xie, Editor(s)

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