LIBS Info: Element Analysis
| Title | Authors | Material | Detector | Spectrometer | Software |
|---|---|---|---|---|---|
| Quantification of rubidium as a trace element in beef using laser induced breakdown spectroscopy | Carl Sullivan, P.J. Cullen, X. Cama-Moncunill, R. Cama-Moncunill, Maria Markiewicz-Keszycka, Y. Dixit | Food | LIBSCAN | LIBSCAN | R |
| Laser: | Nd:YAG 1064.0000nm 150.0000mJ 1.000Hz |
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| Gate Delay: | 1.270us | ||||
| Gate Width: | 1100.000us | ||||
| Analysis of ground, dried beef for their trace content of Rubidium (which is a quasi-essential element for living organisms). Beef Liver was used to spike the Rb concentration in the samples for calibrations. PLS Regression was used to improve the performance of the calibrations | |||||
| Element | Detection Limit (ppm) | Wavelength (nm) | Other Wavelengths (nm) | Calibration Method | Calibration Range (ppm) | Notes |
|---|
| Element | RMSE (ppm) | Wavelength (nm) | Calibration Method | Notes |
|---|---|---|---|---|
| Rb | 0.2200 ppm | -10.0000 | PLSR | PLS was primarily trained using 774.5-784.82nm region around the main Rb peak at 780.10nm |