LIBS Info: Element Analysis

Title	Authors	Material	Detector	Spectrometer	Software
Investigation of matrix effects in laser-induced breakdown spectroscopy plasmas of high-alloy steel for matrix and minor elements	Jens Vrenegor, Reinhard Noll, Volker Storm	Steel	Photomultiplier	Paschen-Runge Spectrometer
Laser:	Nd:YAG 1064.0000nm 160.0000mJ 10.000Hz
Gate Delay:	Noneus
Gate Width:	Noneus
Samples are analysed using DP LIBS on a conventional (ie. Arc-Spark stand) in an Ar (20l/min) atmosphere. Ratioing to Fe 271.4nm produced better results than the raw peak intensities. Inter-element corrections (additive and multiplicative) are also applied to improve the calibration performance. %RSDs also calculated.

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	0.0180 %	396.1520	Univariate Calibration	RMSE range from 0.018-0.029% depending on laser pulse energy and Single or Double Pulse LIBS
Al	0.0310 %	396.1520	Univariate Calibration	RMSE range from 0.031-0.050% depending on laser pulse energy and Single or Double Pulse LIBS. Ratioed to 271.44nm
Al	0.0110 %	396.1520	Inter-Element Correction	RMSE range from 0.011-0.017% depending on laser pulse energy and Single or Double Pulse LIBS. Inter-Element Correction Elements: Ni, Mo, Si
C	0.0140 %	193.0910	Univariate Calibration	RMSE range from 0.014-0.023% depending on laser pulse energy and Single or Double Pulse LIBS
C	0.0120 %	193.0910	Univariate Calibration	RMSE range from 0.012-0.025% depending on laser pulse energy and Single or Double Pulse LIBS. Ratioed to 271.44nm
C	0.0070 %	193.0910	Inter-Element Correction	RMSE range from 0.007-0.024% depending on laser pulse energy and Single or Double Pulse LIBS. Inter-Element Correction Elements: Si
Cr	0.5000 %	286.2570	Univariate Calibration	RMSE range from 0.5-2.09% depending on laser pulse energy, peak wavelength (286.257nm or 267.715nm) and Single or Double Pulse LIBS
Cr	0.4800 %	286.2570	Univariate Calibration	RMSE range from 0.48-1.64% depending on laser pulse energy, peak wavelength and Single or Double Pulse LIBS. Ratioed to 271.44nm
Cr	0.2900 %	267.7150	Inter-Element Correction	RMSE range from 0.29-0.37% depending on laser pulse energy and Single or Double Pulse LIBS. Inter-Element Correction Elements: Ni, Ti
Cu	0.0110 %	324.7540	Univariate Calibration	RMSE range from 0.011-0.143% depending on laser pulse energy and Single or Double Pulse LIBS

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