LIBS Info: Element Analysis

Title	Authors	Material	Detector	Spectrometer	Software
Optimization of chemical and instrumental parameters in hydride generation laser-induced breakdown spectrometry for the determination of arsenic, antimony, lead and germanium in aqueous samples	Serife Yalcin, Semira Unal Yesiller	Liquids	Mechelle 5000	Andor iStar ICCD
Laser:	Nd:YAG 532.0000nm 160.0000mJ 10.000Hz
Gate Delay:	3.000us
Gate Width:	100.000us
The production of metal hydrides is used to increase the sensitivity of LIBS analysis of liquids. The authors undertake an extensive study to optimise the experimental conditions for inert gas (Ar providing significant improvement for most elements), delay and gate times, spectral line, flow rate and the addition of oxidizing/reducing agents to improve detection limits.

LOD
RMSEP

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Element	Detection Limit (ppm)	Wavelength (nm)	Other Wavelengths (nm)	Calibration Method	Calibration Range (ppm)	Notes
As	1.1000 (Calibration Curve Slope)	278.0000	N/A	Univariate	-10.0000--10.0000	Significant enhancement in sensitivity is achieved by Hydride formation, then optimisation of analysis conditions.
Ge	0.2000 (Calibration Curve Slope)	265.1000	N/A	Univariate	-10.0000--10.0000	Significant enhancement in sensitivity is achieved by Hydride formation, then optimisation of analysis conditions.
Pb	1.3000 (Calibration Curve Slope)	405.8000	N/A	Univariate	-10.0000--10.0000	Significant enhancement in sensitivity is achieved by Hydride formation, then optimisation of analysis conditions.
Sb	1.0000 (Calibration Curve Slope)	259.8000	N/A	Univariate	-10.0000--10.0000	Significant enhancement in sensitivity is achieved by Hydride formation, then optimisation of analysis conditions.

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Element	RMSE (ppm)	Wavelength (nm)	Calibration Method	Notes
As	1.4842 ppm	278.0000	Univariate Calibration	. Significant enhancement in sensitivity is achieved by Hydride formation, then optimisation of analysis conditions. .
Ge	0.8171 ppm	265.1000	Univariate Calibration	. Significant enhancement in sensitivity is achieved by Hydride formation, then optimisation of analysis conditions. Significant enhancement in sensitivity is achieved by Hydride formation, then optimisation of analysis conditions.
Pb	2.4471 ppm	405.8000	Univariate Calibration	. Significant enhancement in sensitivity is achieved by Hydride formation, then optimisation of analysis conditions. .
Sb	0.0117 ppm	259.8000	Univariate Calibration	Significant enhancement in sensitivity is achieved by Hydride formation, then optimisation of analysis conditions. . .

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