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Open Access Green möglich sobald Postprint bei der ZB eingereicht worden ist.
Application of infrared laser desorption vacuum-UV single photon ionization mass spectrometry for analysis of organic compounds from particulate matter filter samplas.
Anal. Chem. 77, 4528-4538 (2005)
A new built instrument suitable for laser desorption-single photon ionization time-of-flight mass spectrometry (LD-SPI-TOFMS) with use of Vacuum-UV photons with a wavelength of 118 nm was used for the analysis of organic compounds. Fragmentation-free analysis of a variety of substances was achieved for desorption experiments with pure compounds desorbed from quartz glass filters applying low desorption energies. It was further found that the rate of fragmentation is strongly dependent on the desorption energy. Matrix effects were investigated by desorption experiments utilizing soot spiked with several organic compounds.The characteristics of the desorption process are assessed in more detail and the impact on the analysis of ambient particulate matter (PM) samples on filters are discussed. First results obtained from the application of the technique to the analysis of organic compounds from ambient PM are presented. Furthermore, possibilities of future developments of the method, in particular for analysis of ambient PM, are discussed.
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Publikationstyp
Artikel: Journalartikel
Dokumenttyp
Wissenschaftlicher Artikel
Schlagwörter
laser desorption; particulate matter filter samples; LD-SPI-TOFMS; vacuum-UV; soot
ISSN (print) / ISBN
0003-2700
e-ISSN
1520-6882
Zeitschrift
Analytical Chemistry
Quellenangaben
Band: 77,
Heft: 14,
Seiten: 4528-4538
Verlag
American Chemical Society (ACS)
Nichtpatentliteratur
Publikationen
Begutachtungsstatus
Peer reviewed
Institut(e)
Institute of Ecological Chemistry (IOEC)