LIBS Info: Element Analysis
Title | Authors | Material | Detector | Spectrometer | Software |
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Study to reduce laser-induced breakdown spectroscopy measurement uncertainty using plasma characteristic parameters | Jie Feng, Zhe Wang, Zheng Li, Weidou Ni | Brass | Spectrolaser 4000 | Spectrolaser 4000 | Spectrolaser |
Laser: | Nd:YAG 532.0000nm 100.0000mJ 10.000Hz |
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Gate Delay: | 2.000us | ||||
Gate Width: | 1000.000us | ||||
Paper proposes several methods to reduce the RSD of a number of measurements on a homogeneous sample using parameters derived from the spectra (particularly temperature (from a Boltzmann plot) and electron density (from Stark Broadening). Factors of 2-3 reduction in RSD and demonstrated. |
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 | 1.5700 % | 458.6950 | Spectra based corrections | Uses corrections based on temperature (from Boltzmann plot) and number density (from Stark broadening) improve RSD. |