Mass-selected resonance-enhanced multiphoton ionisation spectra of laser-desorbed molecules for environmental analysis: 16 Representative polycyclic aromatic compounds

Jörg E. Rink, Ulrich Boesl

Publikation: Beitrag in FachzeitschriftArtikelBegutachtung

16 Zitate (Scopus)

Abstract

Mass-selected gas-phase UV spectra of laser-desorbed molecules at room temperature have been measured via resonance-enhanced multiphoton ionisation (REMPI) and time-of-flight mass selection. The wavelength range of 260 to 320 nm is optimal for detection of polycyclic aromatic hydrocarbons (PAHs) using REMPI-mass spectrometry. A new laser desorption/laser ionisation source has been used which features a compact size and thermal equilibrium of the desorhed molecules. 16 PAHs have been investigated which have been selected by the US Environmental Protection Agency (EPA). These 16 EPA-PAHs are commonly used world-wide to characterise the PAH-load of environmental samples.

OriginalspracheEnglisch
Seiten (von - bis)23-32
Seitenumfang10
FachzeitschriftEuropean Journal of Mass Spectrometry
Jahrgang9
Ausgabenummer1
DOIs
PublikationsstatusVeröffentlicht - 2003

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