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Calibration-Free Laser-Induced Breakdown Spectroscopy (CF-LIBS) with Standard Reference Line for the Analysis of Stainless Steel
Fu, Hongbo1,2,3; Dong, Fengzhong1,2,3; Wang, Huadong1,2; Jia, Junwei1,2; Ni, Zhibo1
2017-08-01
发表期刊APPLIED SPECTROSCOPY
卷号71期号:8页码:1982-1989
摘要In this work, calibration-free laser-induced breakdown spectroscopy (CF-LIBS) is used to analyze a certified stainless steel sample. Due to self-absorption of the spectral lines from the major element Fe and the sparse lines of trace elements, it is usually not easy to construct the Boltzmann plots of all species. A standard reference line method is proposed here to solve this difficulty under the assumption of local thermodynamic equilibrium so that the same temperature value for all elements present into the plasma can be considered. Based on the concentration and rich spectral lines of Fe, the Stark broadening of Fe(I) 381.584nm and Saha-Boltzmann plots of this element are used to calculate the electron density and the plasma temperature, respectively. In order to determine the plasma temperature accurately, which is seriously affected by self-absorption, a pre-selection procedure for eliminating those spectral lines with strong self-absorption is employed. Then, one spectral line of each element is selected to calculate its corresponding concentration. The results from the standard reference lines with and without self-absorption of Fe are compared. This method allows us to measure trace element content and effectively avoid the adverse effects due to self-absorption.
文章类型Article
关键词Calibration-free Laser-induced Breakdown Spectroscopy Cf-libs Self-absorption Saha-boltzmann Stark Broadening Standard Reference Line
WOS标题词Science & Technology ; Technology
资助者National Natural Science Foundation of China(61505223 ; National Natural Science Foundation of China(61505223 ; 11075184) ; 11075184) ; National Natural Science Foundation of China(61505223 ; National Natural Science Foundation of China(61505223 ; 11075184) ; 11075184)
DOI10.1177/0003702817699410
关键词[WOS]QUANTITATIVE ELEMENTAL ANALYSIS ; INDUCED PLASMA SPECTROSCOPY ; SELF-ABSORPTION ; SPECTRAL-LINES ; TEMPERATURE ; ACCURACY ; ALUMINUM
收录类别SCI
语种英语
资助者National Natural Science Foundation of China(61505223 ; National Natural Science Foundation of China(61505223 ; 11075184) ; 11075184) ; National Natural Science Foundation of China(61505223 ; National Natural Science Foundation of China(61505223 ; 11075184) ; 11075184)
WOS研究方向Instruments & Instrumentation ; Spectroscopy
WOS类目Instruments & Instrumentation ; Spectroscopy
WOS记录号WOS:000406708600025
引用统计
文献类型期刊论文
条目标识符http://ir.hfcas.ac.cn:8080/handle/334002/33589
专题中科院安徽光学精密机械研究所
作者单位1.Chinese Acad Sci, Anhui Inst Opt & Fine Mech, Anhui Prov Key Lab Photon Devices & Mat, Hefei 230031, Anhui, Peoples R China
2.Univ Sci & Technol China, Sch Environm Sci & Optoelect Technol, Hefei, Anhui, Peoples R China
3.Chinese Acad Sci, Anhui Inst Opt & Fine Mech, Key Lab Environm Opt & Technol, Hefei, Anhui, Peoples R China
推荐引用方式
GB/T 7714
Fu, Hongbo,Dong, Fengzhong,Wang, Huadong,et al. Calibration-Free Laser-Induced Breakdown Spectroscopy (CF-LIBS) with Standard Reference Line for the Analysis of Stainless Steel[J]. APPLIED SPECTROSCOPY,2017,71(8):1982-1989.
APA Fu, Hongbo,Dong, Fengzhong,Wang, Huadong,Jia, Junwei,&Ni, Zhibo.(2017).Calibration-Free Laser-Induced Breakdown Spectroscopy (CF-LIBS) with Standard Reference Line for the Analysis of Stainless Steel.APPLIED SPECTROSCOPY,71(8),1982-1989.
MLA Fu, Hongbo,et al."Calibration-Free Laser-Induced Breakdown Spectroscopy (CF-LIBS) with Standard Reference Line for the Analysis of Stainless Steel".APPLIED SPECTROSCOPY 71.8(2017):1982-1989.
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