LIBS Info: Element Analysis

Title Authors Material Detector Spectrometer Software
Quantitative analysis of impurities in aluminum alloys by laser-induced breakdown spectroscopy without internal calibration Hong-kun Li, Ming Liu, Zhi-jiang Chen, Run-hua Li Aluminium Alloy Hamamatsu CR114 Photomultiplier Tianjin Tuopu WDS-5
Laser: Nd:YAG
Gate Delay: 5.000us
Gate Width: 2.500us
The authors a comparatively simple experimental rig to measure impurities in Aluminium. Raw integrated peak intensities are used for the calibration curves without ratio to other peaks.
Element Detection Limit (ppm) Wavelength (nm) Other Wavelengths (nm) Calibration Method Calibration Range (ppm) Notes
Mg 88.4000 (Calibration Curve) 383.8300 N/A Univariate 2100.0000-10000.0000
Cr 13.6000 (Calibration Curve) 425.4300 N/A Univariate 47.0000-1500.0000
Mn 8.0000 (Calibration Curve) 403.3100 403.45 Univariate 100.0000-2100.0000 Both peaks used in calibration as they were not resolved.
Cu 2.2000 (Calibration Curve) 324.7500 N/A Univariate 160.0000-1900.0000
Zn 48.6000 (Calibration Curve) 330.2600 330.30nm Univariate 110.0000-2000.0000 Both peaks used as they could not be resolved.

Element RMSE (ppm) Wavelength (nm) Calibration Method Notes