Detection of metal element in water using laser-induced breakdown spectroscopy assisted by nebulizer

Guang Zheng Zhu, Lian Bo Guo, Zhong Qi Hao, Chang Mao Li, Meng Shen, Kuo Hu Li, Xiang You Li, Jian Guo Liu, Xiao Yan Zeng, Yongfeng Lu

Research output: Contribution to journalArticle

7 Citations (Scopus)

Abstract

In order to improve the limit of detection and linearity without losing the advantage of on-line and in-situ measurement, laser-induced breakdown spectroscopy assisted by nebulizer is investigated. The influences of the main experimental parameters, namely the defocusing amount, the distance between the nebulizer and the central of laser beam, the ablation energy and the delay are studied to maximize the signal-to-noise ratio. Using laser-induced breakdown spectroscopy assisted by nebulizer, we demonstrate that the detection limits are 1.2, 3.2, 19.1, 3.4, 2.8, and 15.9 ppm for Ca, Cr, K, Mg, Na, Pb respectively, and the linearities are all above 0.99. The results show that laser-induced breakdown spectroscopy assisted by nebulizer is an effective method to detect the tracing metal element in liquid on-line and in-situ.

Original languageEnglish (US)
Article number024212
JournalWuli Xuebao/Acta Physica Sinica
Volume64
Issue number2
DOIs
StatePublished - Jan 20 2015

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laser-induced breakdown spectroscopy
linearity
metals
water
defocusing
tracing
in situ measurement
ablation
signal to noise ratios
laser beams
liquids
energy

Keywords

  • Laser-induced breakdown spectroscopy
  • Metal element
  • Nebulizer
  • Water

ASJC Scopus subject areas

  • Physics and Astronomy(all)

Cite this

Detection of metal element in water using laser-induced breakdown spectroscopy assisted by nebulizer. / Zhu, Guang Zheng; Guo, Lian Bo; Hao, Zhong Qi; Li, Chang Mao; Shen, Meng; Li, Kuo Hu; Li, Xiang You; Liu, Jian Guo; Zeng, Xiao Yan; Lu, Yongfeng.

In: Wuli Xuebao/Acta Physica Sinica, Vol. 64, No. 2, 024212, 20.01.2015.

Research output: Contribution to journalArticle

Zhu, Guang Zheng ; Guo, Lian Bo ; Hao, Zhong Qi ; Li, Chang Mao ; Shen, Meng ; Li, Kuo Hu ; Li, Xiang You ; Liu, Jian Guo ; Zeng, Xiao Yan ; Lu, Yongfeng. / Detection of metal element in water using laser-induced breakdown spectroscopy assisted by nebulizer. In: Wuli Xuebao/Acta Physica Sinica. 2015 ; Vol. 64, No. 2.
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AU - Li, Kuo Hu

AU - Li, Xiang You

AU - Liu, Jian Guo

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