LIBS Info: Element Analysis

Title Authors Material Detector Spectrometer Software
Dual-pulse laser-induced breakdown spectroscopy in bulk aqueous solution with an orthogonal beam geometry William Pearman, Jon Scaffidi, S. Michael Angel Liquids Princeton Instruments ICCD Max Chromex 250 IS/RF
Laser: Nd:YAG
1064.0000nm
NonemJ
5.000Hz
Gate Delay: 0.100us
Gate Width: 15.000us
Analysis of bulk liquids was achieved using orthogonal, double pulse LIBS. Laser energy effects were not studied. In all experiments the first pulse was 95mJ and the second was 175mJ. Unexpectedly, best results did not occur with the second pulse centred on the plasma produced by the first pulse.
Element Detection Limit (ppm) Wavelength (nm) Other Wavelengths (nm) Calibration Method Calibration Range (ppm) Notes
Ca 0.0470 (Stated) 422.7000 N/A Univariate Calibration -10.0000--10.0000 Raw peak intensity used for the calibration
Cr 1.0400 (Stated) 425.4000 N/A Univariate Calibration -10.0000--10.0000 Raw peak intensity used for calibration.
Zn 17.0000 (Stated) 472.2000 N/A Univariate Calibration -10.0000--10.0000 Raw peak intensity used for calibration.


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