LIBS Info: Element Analysis
| Title | Authors | Material | Detector | Spectrometer | Software |
|---|---|---|---|---|---|
| On-line monitoring of remediation process of chromium polluted soil using LIBS | M.A. Gondal, T. Hussain, Z.H. Yamani, M.A. Baig | Soil | LIBS2000+ | LIBS2000+ | |
| Laser: | Nd:YAG 1064.0000nm 100.0000mJ 10.000Hz |
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| Gate Delay: | 4.000us | ||||
| Gate Width: | Noneus | ||||
| Despite title, analysis was made of dried pellets (20mm diameter, 0.5mm thickness), pressed in 20tons for 30 mins. Initial samples (at 2.68%) were produced by adding K2CrO4 solution to soil. This was then treated and the Cr concentration measured to detect the reduction in Cr concentration. Useful information on LOD and RMSE provided | |||||
| Element | Detection Limit (ppm) | Wavelength (nm) | Other Wavelengths (nm) | Calibration Method | Calibration Range (ppm) | Notes |
|---|---|---|---|---|---|---|
| Cr | 3.0000 (Calibration Curve Slope) | 425.4000 | N/A | Univariate | 100.0000-100000.0000 | The paper LOD used 2 sigma/slope. This value has been converted to the more usual, 3 sigma/slope |
| Element | RMSE (ppm) | Wavelength (nm) | Calibration Method | Notes |
|---|---|---|---|---|
| Cr | 165.4554 ppm | 425.4000 | Univariate Calibration |