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| DC Field | Value | Language |
|---|---|---|
| dc.contributor.author | Marshall, A. | en |
| dc.contributor.author | Clark, A. | en |
| dc.contributor.author | Deas, R. M. | en |
| dc.contributor.author | Kosmidis, C. | en |
| dc.contributor.author | Ledingham, K. W. D. | en |
| dc.contributor.author | Peng, W. | en |
| dc.contributor.author | Singhal, R. P. | en |
| dc.date.accessioned | 2015-11-24T18:35:38Z | - |
| dc.date.available | 2015-11-24T18:35:38Z | - |
| dc.identifier.issn | 0003-2654 | - |
| dc.identifier.uri | https://olympias.lib.uoi.gr/jspui/handle/123456789/17120 | - |
| dc.rights | Default Licence | - |
| dc.subject | resonance-enhanced multiphoton ionization | en |
| dc.subject | nitroaromatic vapor | en |
| dc.subject | ionization chamber detection | en |
| dc.subject | sensitivity | en |
| dc.subject | nox molecule | en |
| dc.subject | ion mobility spectrometry | en |
| dc.subject | laser-produced ions | en |
| dc.subject | multiphoton ionization | en |
| dc.subject | mass-spectrometry | en |
| dc.subject | fragmentation | en |
| dc.subject | dissociation | en |
| dc.subject | vapors | en |
| dc.title | Sensitive Atmospheric-Pressure Detection of Nitroaromatic Compounds and Nox (X=1,2) Molecules in an Ionization-Chamber Using Resonance-Enhanced Multiphoton Ionization | en |
| heal.type | journalArticle | - |
| heal.type.en | Journal article | en |
| heal.type.el | Άρθρο Περιοδικού | el |
| heal.identifier.secondary | <Go to ISI>://A1994PE57400012 | - |
| heal.identifier.secondary | http://pubs.rsc.org/en/Content/ArticleLanding/1994/AN/an9941901719 | - |
| heal.language | en | - |
| heal.access | campus | - |
| heal.recordProvider | Πανεπιστήμιο Ιωαννίνων. Σχολή Επιστημών και Τεχνολογιών. Τμήμα Βιολογικών Εφαρμογών και Τεχνολογιών | el |
| heal.publicationDate | 1994 | - |
| heal.abstract | Nitrobenzene and o-nitrotoluene were detected in trace concentrations in gas mixtures at atmospheric pressure in a simple unity-gain ionization chamber. The detection procedure relies on tunable ultraviolet laser radiation that identifies the characteristic wavelength dependence of the NO+ ion fragment. Sensitivity levels are 0.25 +/- 0.05 ppm for nitrobenzene and 0.75 +/- 0.1 ppm for o-nitrotoluene, with the current limitations being background ionization, laser power and small sampling volume. Additionally, nominally 1 ppm NO and NO2 gas samples were analysed and the saturation fluence (via a resonant two-photon process at 226.3 nm) for NO+ production from NO gas was determined. Sensitivity levels of 120 and 50 ppb were estimated from the data on NO2 and NO, respectively. It is shown that an increase in sensitivity of an order of magnitude is possible in all instances if the experimental parameters are optimized. | en |
| heal.journalName | Analyst | en |
| heal.journalType | peer reviewed | - |
| heal.fullTextAvailability | TRUE | - |
| Appears in Collections: | Άρθρα σε επιστημονικά περιοδικά ( Ανοικτά) | |
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