Article (Scientific journals)
Determination of As in Industrial Wastewater by Laser-Induced Breakdown Spectroscopy
Lin, Zhaoxiang; Chang, Liang; Li, Jie et al.
2009In Spectroscopy and Spectral analysis, 29 (6), p. 1675-1677
Peer reviewed
 

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Keywords :
Spectroscopy; Laser-induced breakdown spectroscopy; Industrial wastewate; Arsenic
Abstract :
[en] The wastewater from industrial smelting process contains heavy metals such as arsenic(As)that produce serious environmental pollution and cause actual harm to the health of people. It is necessary to control the pollution at the source and achieve a real-time and online monitoring.The 1aser-induced breakdown spectroscopy(LIBS)iS a new elemental analysis technique,and has the advantage of rapid detection.An LIBs setup has been established.The Nd:YAG Iaser beam is focused onto the sample,then the plasmas are produced.The emission spectra of plasmas are dispersed by an Echelle spectrograph and detected by an intensified charge-coupled device(ICCD).Experiments have been carried out on the industrial wastewarer collected from the scene.The spectral lines of As element were obtained.The calibration curve of the line intensities versus the concentrations of the As element was acquired by the experiment.The calibration curve can be used for the quantitative analysis of arsenic element with an unknown concentration in the industrial wastewater.The results showed that the LIBS technique can be applied in the rapid detection of As element in industrial wastewater,and has wide range of applications
Disciplines :
Environmental sciences & ecology
Author, co-author :
Lin, Zhaoxiang
Chang, Liang
Li, Jie ;  Université de Liège - ULiège > Département de chimie appliquée > Génie chimique - Procédés et développement durable
Liu, Linmei
Language :
Chinese
Title :
Determination of As in Industrial Wastewater by Laser-Induced Breakdown Spectroscopy
Publication date :
2009
Journal title :
Spectroscopy and Spectral analysis
ISSN :
1000-0593
Publisher :
Peking University Press, Beijing, China
Volume :
29
Issue :
6
Pages :
1675-1677
Peer reviewed :
Peer reviewed
Available on ORBi :
since 22 March 2013

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