光子学报, 2016, 45 (4): 0414005, 网络出版: 2016-05-11  

激光诱导击穿光谱结合自由定标法同时定量分析玻璃主要元素

Simultaneously Quantitative Analysis on the Main Elements in Glass with Laser-induced Breakdown Spectroscopy Combined with Calibration-free Method
作者单位
1 中国计量学院 光学与电子科技学院,杭州 310018
2 浙江省台州出入境检验检疫局,浙江 台州 318000
摘要
建立激光诱导击穿光谱结合自由定标法快速定量分析玻璃中主要元素Si和Ba的方法.采用由调Q脉冲Nd:YAG激光器、中阶梯光栅光谱仪和ICCD检测器等组成的激光诱导击穿光谱系统采集4种标准玻璃样品的激光诱导击穿光谱.提取光谱信息,结合自由定标法建立样品中Si和Ba的玻尔兹曼曲线,计算获得4种玻璃样品中Si和Ba的含量.Si含量分析相对误差在4.96%~10.12%之间,标准差在0.38%~1.29%之间,Ba含量分析相对误差在4.07%~9.62%之间,标准差在0.54%~1.70%之间.T检验表明,测量值与实际值无显著差异.
Abstract
A method of simultaneously quantitative measurement of the main elements (Si and Ba) in glass by using Laser-Induced Breakdown Spectroscopy(LIBS) was established. The LIBS system is composed of a Q pulse Nd: YAG laser, an echelle grating spectrometer and an ICCD detector. We collected the LIBS spectra of 4 glass samples. The Boltzmann curves of the main elements Si and Ba were established by using free calibration method. The contents of Si and Ba in glass samples were calculated with Boltzmann curves. The relative error of the contents of Si and Ba ranged from 4.96% to 10.12% and from 4.07% to 9.62%, respectively. The standard deviation of the contents of Si and Ba ranged from 0.38% to 1.29% and from 0.54% to 1.70%, respectively. T test results showed that there was no significant difference between the measured values and the actual values.

李超, 王吉, 张炜, 陈华才. 激光诱导击穿光谱结合自由定标法同时定量分析玻璃主要元素[J]. 光子学报, 2016, 45(4): 0414005. LI Chao, WANG Ji, ZHANG Wei, CHEN Hua-cai. Simultaneously Quantitative Analysis on the Main Elements in Glass with Laser-induced Breakdown Spectroscopy Combined with Calibration-free Method[J]. ACTA PHOTONICA SINICA, 2016, 45(4): 0414005.

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