LIBS Info: Element Analysis
| Title | Authors | Material | Detector | Spectrometer | Software |
|---|---|---|---|---|---|
| Quantitative determination of sulfur content in concrete with laser-induced breakdown spectroscopy | F. Weritz, S. Ryahi, D. Schaurich, A. Taffe, G. Wilsch | Concrete or Cement | Acton Spectra Pro | Acton Spectra Pro | |
| Laser: | Nd:YAG 1064.0000nm 400.0000mJ 10.000Hz |
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| Gate Delay: | Noneus | ||||
| Gate Width: | Noneus | ||||
| Analyses are made on cement powder (pressed pellets), (hardened/set) cement samples, concrete and some concrete cores affected by Sulphur. Gating is via a mechanical shutter. 860ms gate width used. Measurements can be made in a range of flowing gases (Air, Ar and He). | |||||
| Element | Detection Limit (ppm) | Wavelength (nm) | Other Wavelengths (nm) | Calibration Method | Calibration Range (ppm) | Notes |
|---|---|---|---|---|---|---|
| S | 2000.0000 (Minimum concentration detected) | 921.3000 | 922.8nm, 923.6nm | Univariate Calibration | -10.0000--10.0000 | Best results obtained in a He atmosphere. Ratio to background used. |
| Element | RMSE (ppm) | Wavelength (nm) | Calibration Method | Notes |
|---|