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Li J, Guo L, Zhao N, et al. Determination of cobalt in low-alloy steels using laser-induced breakdown spectroscopy combined with laser-induced fluorescence. Talanta. 2016;151:234-238doi: 10.1016/j.talanta.2016.01.023.
Li, J., Guo, L., Zhao, N., Yang, X., Yi, R., Li, K., Zeng, Q., Li, X., Zeng, X., & Lu, Y. (2016). Determination of cobalt in low-alloy steels using laser-induced breakdown spectroscopy combined with laser-induced fluorescence. Talanta, 151234-238. https://doi.org/10.1016/j.talanta.2016.01.023
Li, Jiaming, et al. "Determination of cobalt in low-alloy steels using laser-induced breakdown spectroscopy combined with laser-induced fluorescence." Talanta vol. 151 (2016): 234-238. doi: https://doi.org/10.1016/j.talanta.2016.01.023
Li J, Guo L, Zhao N, Yang X, Yi R, Li K, Zeng Q, Li X, Zeng X, Lu Y. Determination of cobalt in low-alloy steels using laser-induced breakdown spectroscopy combined with laser-induced fluorescence. Talanta. 2016 May 01;151:234-238. doi: 10.1016/j.talanta.2016.01.023. Epub 2016 Jan 13. PMID: 26946032.
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Talanta. 2016 May 01;151:234-238. doi: 10.1016/j.talanta.2016.01.023. Epub 2016 Jan 13.

Determination of cobalt in low-alloy steels using laser-induced breakdown spectroscopy combined with laser-induced fluorescence.

Talanta

Jiaming Li, Lianbo Guo, Nan Zhao, Xinyan Yang, Rongxing Yi, Kuohu Li, Qingdong Zeng, Xiangyou Li, Xiaoyan Zeng, Yongfeng Lu

Affiliations

  1. Wuhan National Laboratory for Optoelectronics (WNLO), Huazhong University of Science and Technology, Wuhan, Hubei 430074, P. R. China.
  2. Wuhan National Laboratory for Optoelectronics (WNLO), Huazhong University of Science and Technology, Wuhan, Hubei 430074, P. R. China. Electronic address: [email protected].
  3. Department of Electrical and Computer Engineering, University of Nebraska, Lincoln, NE, 68588-0511, USA.

PMID: 26946032 DOI: 10.1016/j.talanta.2016.01.023

Abstract

Cobalt element plays an important role for the properties of magnetism and thermology in steels. In this work, laser-induced breakdown spectroscopy combined with laser-induced fluorescence (LIBS-LIF) was studied to selectively enhance the intensities of Co lines. Two states of Co atoms were resonantly excited by a wavelength-tunable laser. LIBS-LIF with ground-state atom excitation (LIBS-LIFG) and LIBS-LIF with excited-state atom excitation (LIBS-LIFE) were compared. The results show that LIBS-LIFG has analytical performance with LoD of 0.82μg/g, R(2) of 0.982, RMSECV of 86μg/g, and RE of 9.27%, which are much better than conventional LIBS and LIBS-LIFE. This work provided LIBS-LIFG as a capable approach for determining trace Co element in the steel industry.

Copyright © 2016 Elsevier B.V. All rights reserved.

Keywords: Cobalt; Laser-induced breakdown spectroscopy; Laser-induced fluorescence; Steel

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