Determination of environmental safety level with laser-induced breakdown spectroscopy technique
作者： MA Badday , N Bidin , ZH Rizvi , R Hosseinian , None
DOI: 10.1080/02757540.2014.961436
关键词: Laser-induced breakdown spectroscopy 、 Environmental chemistry 、 Spectroscopy 、 Soil test 、 Atomic absorption spectroscopy 、 Analytical chemistry 、 Spectrometer 、 Emission spectrum 、 Materials science 、 Laser 、 Laser ablation
摘要: This paper reports the quantitative estimation of heavy metals contamination in soil, around power station, by laser-induced breakdown spectroscopy (LIBS). Soil samples were collected from various distances (200–1000 m) and depths (10–50 cm) vicinity Iskandar station Johor, Malaysia. Samples dried pelletised prior to excitation. A Q-switched Nd:YAG laser was employed ablate sample MayaPro spectrometer (Ocean Optics) for recording emission spectrum plasma. Pb, Fe, Ni Cu concentrations estimated polluted soil with repeatability rate above 96%. Quantitative results LIBS validated flame atomic absorption (FAAS) found good agreement. The concentration detected metal elements within safety limits set Department Environment (DOE) Malaysia European standards.
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