LIBS Info: Element Analysis
| Title | Authors | Material | Detector | Spectrometer | Software |
|---|---|---|---|---|---|
| Evaluation of laser induced breakdown spectroscopy for cadmium determination in soils | Dário Santos Júnior, Lidiane Cristina Nunes, Lilian Cristina Trevizan, Quienly Godoi, Flavio O. Leme, Jez William B. Braga, Francisco José Krug | Soil | Kodak KAF 1001 | ESA 3000 | |
| Laser: | Nd:YAG 1064.0000nm 365.0000mJ 10.000Hz |
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| Gate Delay: | 2.000us | ||||
| Gate Width: | 5.000us | ||||
| Samples were cryogenically milled (liquid Nitrogen) and then pressed into 15mm diameter pellets using 2-8.5ton/cm^2. Boric Acid or Ultrabinder were used to increase pellet stability. The authors discuss the improvement (in both signal strength and %RSD) by the use of pellets and binder. | |||||
| Element | Detection Limit (ppm) | Wavelength (nm) | Other Wavelengths (nm) | Calibration Method | Calibration Range (ppm) | Notes |
|---|---|---|---|---|---|---|
| Cd | 1.3000 (Calibration Curve Slope) | 214.4410 | 226.502nm, 224.802nm | Univariate | 4.0000-70.0000 | LOD: 3.6ppm with 226.502nm, 4.0ppm with 228.802nm Possible interferences from Fe I (214.519nm), Ni II (226.446nm) and As I (228.802nm) were explored but found to be negligible in the test samples. |
| Element | RMSE (ppm) | Wavelength (nm) | Calibration Method | Notes |
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