LIBS Info: Element Analysis

Title	Authors	Material	Detector	Spectrometer	Software
Analysis of environmental lead contamination: comparison of LIBS ﬁeld and laboratory instruments	R.T. Wainner, R.S. Harmon, A.W. Miziolek, K.L. McNesby, P.D. French	Lead	ADA Developed Portable System	ADA Developed Portable System
Laser:	Nd:YAG 1064.0000nm 15.0000mJ NoneHz
Gate Delay:	Noneus
Gate Width:	Noneus
This paper describes work using both a portable (this ref) and laboratory LIBS systems (here) for the measurement of Pb in a variety of systems. The Detection system is not gated and the laser uses a passive Q-switch - making this a considerably more low-tech system than many in use.

LOD
RMSEP

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Element	Detection Limit (ppm)	Wavelength (nm)	Other Wavelengths (nm)	Calibration Method	Calibration Range (ppm)	Notes
Pb	100.0000 (Minimum concentration detected)	405.7800	220.35	Univariate Calibration	-10.0000--10.0000	This result is for Pb in paint samples. Prior to analysis the paint was applied to Al plates. Two coats were used. The authors noted the likelihood of strong interferences at the 405.78nm peak, while there were less ath the 220.35nm peak. However, the sensitivity an the UV line was less. Some depth profiling also performed of Pb paint under layers of latex paint.

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Element	RMSE (ppm)	Wavelength (nm)	Calibration Method	Notes
No data available in table

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