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On-line Measurement of the Absolute Humidity of Air, Breath and Liquid Headspace Samples by Selected Ion Flow Tube Mass Spectrometry
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SYSNO ASEP 0181193 Document Type J - Journal Article R&D Document Type Journal Article Subsidiary J Ostatní články Title On-line Measurement of the Absolute Humidity of Air, Breath and Liquid Headspace Samples by Selected Ion Flow Tube Mass Spectrometry Author(s) Španěl, Patrik (UFCH-W) RID, ORCID
Smith, D. (GB)Source Title Rapid Communications in Mass Spectrometry. - : Wiley - ISSN 0951-4198
Roč. 15, - (2001), s. 563-569Number of pages 7 s. Language eng - English Country US - United States Keywords SIFT-MS ; hydrated hydronium ions ; trace gas analysis Subject RIV CF - Physical ; Theoretical Chemistry R&D Projects GA203/00/0632 GA ČR - Czech Science Foundation (CSF) CEZ AV0Z4040901 - UFCH-W Annotation Selected ion flow tube mass spectrometry, SIFT-MS, can be used to determine the absolute humidity of air, breath and liquid headspace samples. This involves the determination of the relative count rates of the H3O+ ions and those H3O+. (H2O)1,2,3 hydrate ions that form in the helium carrier gas when humid samples are being analysed by SIFT-MS using H3O+ precursor ions. Workplace J. Heyrovsky Institute of Physical Chemistry Contact Michaela Knapová, michaela.knapova@jh-inst.cas.cz, Tel.: 266 053 196 Year of Publishing 2002
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