LIBS Info: Element Analysis

Title Authors Material Detector Spectrometer Software
Major elements analysis in bituminous coals under different ambient gases by laser-induced breakdown spectroscopy with PLS modeling Weidou Ni, Zheng Li, Xiong-Wei Li, Zongyu Hou, Siu-lung Lui, Tingbi Yuan, Zhe Wang Coal Spectrolaser 4000 Spectrolaser 4000 Spectrolaser
Laser: Nd:YAG
Gate Delay: 2.000us
Gate Width: 1000.000us
Rare analysis of the organic components (C, H) of coal pellets. Analysis work is undertaken in Air, He and Ar environments, with a rare study of the variation of temperature and Electron density with sample undertaken. In general, lowest RSD occurred in Ar. Detection of N from coal was also attempted, but was not discernible in He or Ar.
Element Detection Limit (ppm) Wavelength (nm) Other Wavelengths (nm) Calibration Method Calibration Range (ppm) Notes

Element RMSE (ppm) Wavelength (nm) Calibration Method Notes
H 0.2400 % -10.0000 PLS Similar results were obtained in Air (0.48%) and He (0.27%)
C 3.3200 % -10.0000 PLS Results were similar in Air (RMSEP 4.25%) and Ar (RMSEP 3.49%)