TY - JOUR
T1 - Determination of cobalt in low-alloy steels using laser-induced breakdown spectroscopy combined with laser-induced fluorescence
AU - Li, Jiaming
AU - Guo, Lianbo
AU - Zhao, Nan
AU - Yang, Xinyan
AU - Yi, Rongxing
AU - Li, Kuohu
AU - Zeng, Qingdong
AU - Li, Xiangyou
AU - Zeng, Xiaoyan
AU - Lu, Yongfeng
N1 - Funding Information:
This research was financially supported by the National Special Fund for the Development of Major Research Equipment and Instruments (No. 2011YQ160017 ), the National Natural Science Foundation of China (Nos. 61575073 , 51429501 , and 61378031 ), and the Fundamental Research Funds for the Central Universities (HUST: 2015TS075 ).
Publisher Copyright:
© 2016 Elsevier B.V.
PY - 2016/5/1
Y1 - 2016/5/1
N2 - 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 0.82 μg/g, R2 of 0.982, RMSECV of 86 μg/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.
AB - 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 0.82 μg/g, R2 of 0.982, RMSECV of 86 μg/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.
KW - Cobalt
KW - Laser-induced breakdown spectroscopy
KW - Laser-induced fluorescence
KW - Steel
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U2 - 10.1016/j.talanta.2016.01.023
DO - 10.1016/j.talanta.2016.01.023
M3 - Article
C2 - 26946032
AN - SCOPUS:84957029646
SN - 0039-9140
VL - 151
SP - 234
EP - 238
JO - Talanta
JF - Talanta
ER -