Research on the Analytical Line Auto-Selection for Quantitative Analysis of Materials with Laser-Induced Breakdown Spectroscopy
DU Zhen-hui1, MENG Fan-li1, LI Jin-yi1, MA Yi-wen1, SUN Lan-xiang2, CONG Zhi-bo2, XIN Yong2
1. State Key Laboratory of Precision Measuring Technology and Instruments, Tianjin University, Tianjin 300072, China 2. Key Laboratory of Industrial Informatics, Shenyang Institute of Automation, Chinese Academy of Sciences, Shenyang 110016, China
Abstract：To realize auto-selection of analytical lines for quantitative analysis of materials with laser-induced breakdown spectroscopy, two parameters, i.e. the relative detected-to-theory intensity ratio (RDTIR) and wavelength difference of detected and theory (WDDT) were defined. The spectral lines seriously disturbed by self-absorption and spectral interference were excluded automatically by setting reasonable thresholds of RDTIR and WDDT. By analyzing the experimental data of high-alloy steel (GBW01605), the analytical lines of iron (Fe), chromium (Cr), nickel (Ni), manganese (Mn) and copper (Cu) were selected, and the results were in line with the principle of lines selection.
杜振辉1，孟繁莉1，李金义1，马艺闻1，孙兰香2，丛智博2，辛 勇2 . 激光诱导击穿光谱定量分析中的分析线自动选择方法[J]. 光谱学与光谱分析, 2012, 32(04): 876-880.
DU Zhen-hui1, MENG Fan-li1, LI Jin-yi1, MA Yi-wen1, SUN Lan-xiang2, CONG Zhi-bo2, XIN Yong2 . Research on the Analytical Line Auto-Selection for Quantitative Analysis of Materials with Laser-Induced Breakdown Spectroscopy . SPECTROSCOPY AND SPECTRAL ANALYSIS, 2012, 32(04): 876-880.
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