An Image Auxiliary Method for Quantitative Analysis of Laser-Induced Breakdown Spectroscopy

CORC > 沈阳自动化研究所 > 中国科学院沈阳自动化研究所 > 光电信息技术研究室

	An Image Auxiliary Method for Quantitative Analysis of Laser-Induced Breakdown Spectroscopy
	Xin Y(辛勇); Qi LF(齐立峰); Zeng P(曾鹏); Yu HB(于海斌); Sun LX(孙兰香); Zhang P(张鹏); Shi ZL(史泽林); Liu HZ(刘海峥)
刊名	Analytical Chemistry
	2018
卷号	90 期号:7 页码:4686-4694
ISSN号	0003-2700
通讯作者	Sun LX(孙兰香)
产权排序	1
中文摘要	Improving both the stability and accuracy of laser-induced breakdown spectroscopy (LIBS) is an issue in quantitative analysis. For certain environments outside of the laboratory, consistently and exactly maintaining the distance from the optical system to the sample surface is difficult, and fluctuations of this distance severely affect the stability of the spectrum. In this work, the principal components of the plasma images are extracted and used to correct the spectral line intensities as an auxiliary method to reduce spectral fluctuation. The presented image auxiliary method is combined with univariate analysis and multivariate analysis, and the element concentrations of Cu, Mn, V, and Cr in steel samples are analyzed. For univariate analysis, all the determination coefficients (R2) of the four elements exceed 0.99, whereas the average relative standard deviations (RSDs) of the intensities decrease from 30.45, 23.14, 27.03, and 22.04%, to 2.13, 3.38, 2.49, and 3.58%, respectively. For the multivariate analysis, the R2values for Cu, Mn, V, and Cr also all exceed 0.99, and the average RSDs of the predicted concentrations of the validation samples decrease to 2.87, 3.82, 2.86, and 6.51%, respectively.
英文摘要	ANCHAM
WOS标题词	Science & Technology ; Physical Sciences
类目[WOS]	Chemistry, Analytical
研究领域[WOS]	Chemistry
关键词[WOS]	SPECTRUM STANDARDIZATION ; LIBS ; PLASMA ; TIME ; NORMALIZATION ; SPECTROMETRY ; EMPHASIS ; CARBON ; SIGNAL ; MODEL
收录类别	SCI ; EI
语种	英语
WOS记录号	WOS:000429385800062
内容类型	期刊论文
源URL	[http://ir.sia.cn/handle/173321/21876]
专题	沈阳自动化研究所_光电信息技术研究室
作者单位	1.University of Chinese, Academy of Sciences, Beijing 100049, China 2.Key Laboratory of Networked Control System, Chinese Academy of Sciences, Shenyang 110016, China 3.Shenyang Institute of Automation, Chinese Academy of Sciences, Shenyang 110016, China
推荐引用方式 GB/T 7714	Xin Y,Qi LF,Zeng P,et al. An Image Auxiliary Method for Quantitative Analysis of Laser-Induced Breakdown Spectroscopy[J]. Analytical Chemistry,2018,90(7):4686-4694.
APA	Xin Y.,Qi LF.,Zeng P.,Yu HB.,Sun LX.,...&Liu HZ.(2018).An Image Auxiliary Method for Quantitative Analysis of Laser-Induced Breakdown Spectroscopy.Analytical Chemistry,90(7),4686-4694.
MLA	Xin Y,et al."An Image Auxiliary Method for Quantitative Analysis of Laser-Induced Breakdown Spectroscopy".Analytical Chemistry 90.7(2018):4686-4694.