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- Title
Laser Plasma Spectroscopy Using a Pulsed CO2 Laser for the Analysis of Carbon in Soil.
- Authors
Khumaeni, A.; Budi, W. S.; Wardaya, A. Y.; Idris, N.; Kurniawan, K. H.; Kagawa, K.
- Abstract
Analysis of carbon (C) in soil has been successfully made by laser plasma spectroscopy using a pulsed carbon dioxide (CO2) laser. Fine particles of soil sample were attached on a surface of the metal subtarget by adding a small amount of moisture; the metal was used to initiate the gas plasma. Experimentally, a pulsed laser was focused on the subtarget to induce a luminous plasma. The particles were vaporized and entered the plasma region. Dissociation and excitation happened in the high-temperature plasma region. The result certified that an analysis of C in soil can be demonstrated. A further measurement revealed that a calibration curve of C was successfully carried out. The limit of detection of C in the soil was around 23 mg/kg.
- Subjects
PLASMA spectroscopy; CARBON analysis; LASER plasmas; LASER spectroscopy; SOIL testing; CARBON dioxide lasers
- Publication
Journal of Applied Spectroscopy, 2019, Vol 86, Issue 1, p162
- ISSN
0021-9037
- Publication type
Article
- DOI
10.1007/s10812-019-00797-2