LIBS Info: Element Analysis
| Title | Authors | Material | Detector | Spectrometer | Software |
|---|---|---|---|---|---|
| Fast and sensitive trace metal analysis in aqueous solutions by laser-induced breakdown spectroscopy using wood slice substrates | Zhi-jiang Chen, Hong-kun Li, Ming Liu, Run-hua Li | Liquids | Hamamatsu CR114 Photomultiplier | Tianjin Tuopu WDS-5 | |
| Laser: | Nd:YAG 1064.0000nm 100.0000mJ 5.000Hz |
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| Gate Delay: | 10.000us | ||||
| Gate Width: | 5.000us | ||||
| A thin slice of wood (1mm thick) absorbs the liquid to be analysed (2 mins), is dried for 1 min and then can be LIBS analysed. 4.5% RSD achieved using pulse averaging. Technique has the disadvantage that elements in the wood at appreciable concentrations (Ca, Sr, Na) cannot be analysed. | |||||
| Element | Detection Limit (ppm) | Wavelength (nm) | Other Wavelengths (nm) | Calibration Method | Calibration Range (ppm) | Notes |
|---|---|---|---|---|---|---|
| Cr | 0.0340 (Calibration Curve) | 425.4300 | N/A | Univariate | -10.0000--10.0000 | Liquid sample absorbed into wood slice for analysis |
| Cu | 0.0290 (Calibration Curve) | 324.7500 | N/A | Univariate | -10.0000--10.0000 | Liquid sample absorbed into wood slice for analysis |
| Cd | 0.5900 (Calibration Curve) | 508.5800 | N/A | Univariate | -10.0000--10.0000 | Liquid sample absorbed into wood slice for analysis |
| Pb | 0.0740 (Calibration Curve) | 405.7800 | N/A | Univariate | -10.0000--10.0000 | Liquid sample absorbed into wood slice for analysis |
| Mn | 0.0360 (Calibration Curve) | 255.1200 | N/A | Univariate | -10.0000--10.0000 | Liquid sample absorbed into wood slice for analysis |
| Element | RMSE (ppm) | Wavelength (nm) | Calibration Method | Notes |
|---|