LIBS Info: Element Analysis
Title | Authors | Material | Detector | Spectrometer | Software |
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Investigation of the self-absorption effect using time-resolved laser-induced breakdown spectroscopy | Jun Duan, Y.F. Lu, X.Y. Zeng, Yuyang Ma, Zhenlin Hu, L.B. Guo, Tao Wu, Yanwu Chu, S.X. Ma, Y. Tang | Steel | Andor iStar ICCD | Andor Shamrock 500i | |
Laser: | Nd:YAG 532.0000nm 4.0000mJ 10.000Hz |
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Gate Delay: | 0.200us | ||||
Gate Width: | 0.200us | ||||
Rare example of detection limits in the presence of Self Absorption. In this case, self absorption is reduced significantly by collecting the spectra with short delay and integration time so that the population of the ground state is comparatively lower. |
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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Mn | 0.0096 % | 403.3100 | Univariate Calibration | Roughly 16x improvement in RMSE over other integration times due to reduction in self-absorption |
Cu | 0.0115 % | 327.4000 | Univariate Calibration | Roughly 3x improvement over other integration time due to reduction in self absorption. |