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Quantification of methylamine in the headspace of ethanol of agricultural origin by selected ion flow tube mass spectrometry

SYSNO ASEP	0329759
Document Type	J - Journal Article
R&D Document Type	Journal Article
Subsidiary J	Článek ve WOS
Title	Quantification of methylamine in the headspace of ethanol of agricultural origin by selected ion flow tube mass spectrometry
Title	Kvantifikace methylamínu v etanolu rostlinného původu pomocí hmotnostní spektrometrie v proudové trubici s vybranými ionty
Author(s)	Dryahina, Kseniya (UFCH-W)_{RID, ORCID} Pehal, F. (CZ) Smith, D. (GB) Španěl, Patrik (UFCH-W)_{RID, ORCID}
Source Title	International Journal of Mass Spectrometry. - : Elsevier - ISSN 1387-3806 Roč. 286, č. 1 (2009), s. 1-6
Number of pages	6 s.
Language	eng - English
Country	NL - Netherlands
Keywords	SIFT-MS ; ethanol ; methylamine ; chemical ionisation
Subject RIV	CF - Physical ; Theoretical Chemistry
R&D Projects	GA203/09/0256 GA ČR - Czech Science Foundation (CSF)
	GA202/09/0800 GA ČR - Czech Science Foundation (CSF)
	GP203/09/P172 GA ČR - Czech Science Foundation (CSF)
CEZ	AV0Z40400503 - UFCH-W (2005-2011)
UT WOS	000269430700001
DOI	10.1016/j.ijms.2009.06.002
Annotation	Selected ion flow tube mass spectrometry, SIFT-MS. has been used to investigate if absolute levels of trace compounds in the headspace of ethanol/water vapour mixture can be quantified. This case study was directed towards the analysis of methylamine in distilled ethanol of agricultural origin because of its relevance to quality control legislation in the distillery industry. This has required a detailed study of the ion chemistry occurring - initiated by H3O+ precursor ions - when ethanol/water vapour mixtures are introduced into the H3O+/helium carrier gas swarm and has resulted in the construction of a full scheme of the complex ionic reactions that occur. It has been found that under the SIFT-MS flow reactor conditions (He pressure 130 Pa and temperature 299 K) the terminating ions of the several parallel and sequential reactions that occur are the proton bound ethanol clusters ions. C2H5OH2+(C2H5OH)(n). with n = 1,2,3, proton bound trimer (n = 2) being the dominant species.
Workplace	J. Heyrovsky Institute of Physical Chemistry
Contact	Michaela Knapová, michaela.knapova@jh-inst.cas.cz, Tel.: 266 053 196
Year of Publishing	2010

Number of the records: 1