LIBS Info: Element Analysis

Title	Authors	Material	Detector	Spectrometer	Software
A semi-quantitative standard-less analysis method for laser-induced breakdown spectroscopy [Minerals]	Pavel Yaroshchyk, Doug Body, Richard J.S. Morrison, Bruce L. Chadwick	Geological	Spectrolaser 1000	Spectrolaser 1000	Spectrolaser
Laser:	Nd:YAG 1064.0000nm 90.0000mJ 10.000Hz
Gate Delay:	1.000us
Gate Width:	Noneus
A different method for performing Calibration Free LIBS is outlined. In it, the spectra for the expected elements are generated, then key parameters are optimised to produce the best fit to the sample spectra. The aim is to produce a method that does not require operator skill to identify element peaks accurately. Comparison analysis is made on bauxite, brass/bronze, mineral samples and lab air. Bauxite samples were analysed in He.

LOD
RMSEP

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Element	Detection Limit (ppm)	Wavelength (nm)	Other Wavelengths (nm)	Calibration Method	Calibration Range (ppm)	Notes
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Element	RMSE (ppm)	Wavelength (nm)	Calibration Method	Notes
Al	9695.0159 ppm	-10.0000	CF LIBS	Note: Values estimated from paper (Figure 9) He Atmosphere.
Fe	57562.1403 ppm	-10.0000	CF LIBS	Note: Values estimated from paper (Figure 9) He Atmosphere.
K	10151.2725 ppm	-10.0000	CF LIBS	Note: Values estimated from paper (Figure 9) He Atmosphere.
Na	21640.4328 ppm	-10.0000	CF LIBS	Note: Values estimated from paper (Figure 9) He Atmosphere.
Si	34343.8495 ppm	-10.0000	CF LIBS	Note: Values estimated from paper (Figure 9) He Atmosphere.

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