LIBS Info: Element Analysis
Title | Authors | Material | Detector | Spectrometer | Software |
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Improving data stability and prediction accuracy in laser-induced breakdown spectroscopy by utilizing a combined atomic and ionic line algorithm | Weidou Ni, Zheng Li, Lizhi Li, Tingbi Yuan, Siu-lung Lui, Zhe Wang, Zongyu Hou | Brass | Spectrolaser 4000 | Spectrolaser 4000 | Spectrolaser |
Laser: | Nd:YAG 532.0000nm 90.0000mJ NoneHz |
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Gate Delay: | 2.250us | ||||
Gate Width: | 1000.000us | ||||
The Authors use a novel technique to combine the signal in an neutral and ionic line from the same element to improve the measurement reproducibility over a range of concentrations and matrix in brass/bronze samples |
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 |
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Cu | 1.4000 % | -10.0000 | Univariate | Calibration involved ionic and neutral lines from same element |
Cu | 2.4300 % | 218.0000 | Univariate | Comparison calibration using 218nm (Ionic) line (in comparison to combined neutral/ionic line technique) |
Cu | 2.2400 % | 406.0000 | Univariate | Comparison calibration using 406nm (Neutral) line (in comparison to combined neutral/ionic line technique) |