LIBS Info: Element Analysis

Title Authors Material Detector Spectrometer Software
Study to reduce laser-induced breakdown spectroscopy measurement uncertainty using plasma characteristic parameters Jie Feng, Zhe Wang, Zheng Li, Weidou Ni Brass Spectrolaser 4000 Spectrolaser 4000 Spectrolaser
Laser: Nd:YAG
Gate Delay: 2.000us
Gate Width: 1000.000us
Paper proposes several methods to reduce the RSD of a number of measurements on a homogeneous sample using parameters derived from the spectra (particularly temperature (from a Boltzmann plot) and electron density (from Stark Broadening). Factors of 2-3 reduction in RSD and demonstrated.
Element Detection Limit (ppm) Wavelength (nm) Other Wavelengths (nm) Calibration Method Calibration Range (ppm) Notes

Element RMSE (ppm) Wavelength (nm) Calibration Method Notes
Cu 1.5700 % 458.6950 Spectra based corrections Uses corrections based on temperature (from Boltzmann plot) and number density (from Stark broadening) improve RSD.