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Detection of polycyclic aromatic hydrocarbons in a soil sample with photon ionization technique.
Appl. Mech. Mater. 271, 112-115 (2013)
An electron beam pumped rare gas excimer lamp (EBEL) was utilized to emit the intensive vacuum ultraviolet (VUV) radiation at 126 nm for soft single photon ionization (SPI) of polycyclic aromatic hydrocarbons (PAHs) in a soil sample. The VUV light source was coupled to a compact and mobile time-of-flight mass spectrometer (TOFMS) for the on-line measurement of PAHs. The moderate desorption temperature was set at 300 °C to guarantee the rapid evaporation of the PAHs in the soil sample and without decomposition from the larger molecules. With the thermal treatment, sample extraction and cleanup steps were not needed. The system developed herein was found to perform sufficiently well to evaluate the PAHs in the environmental soil sample at ppm level.
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Publikationstyp
Artikel: Journalartikel
Dokumenttyp
Wissenschaftlicher Artikel
Schlagwörter
Direct sample introduction; Electron beam pumped rare gas excimer lamp; Polycyclic aromatic hydrocarbons; Soft single photon ionization
Konferenztitel
3rd International Conference on Frontiers of Manufacturing and Design Science, ICFMD 2012
Konferzenzdatum
11-13 December 2012
Zeitschrift
Applied Mechanics and Materials
Quellenangaben
Band: 271,
Heft: 1,
Seiten: 112-115
Verlag
Trans Tech Publ.
Nichtpatentliteratur
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