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J Environ Monit

Title:		The application of proton transfer reaction-mass spectrometry (PTR-MS) to the monitoring and analysis of volatile organic compounds in the atmosphere
Author(s):		Hewitt CN; Hayward S; Tani A;
Address:		"Department of Environmental Science, Institute of Environmental and Natural Sciences, Lancaster University, Lancaster, UK LA1 4YQ"
Journal Title:		J Environ Monit
Year:		2003
Volume:		5
Issue:		1
Page Number:		1 - 7
DOI:		10.1039/b204712h
ISSN/ISBN:		1464-0325 (Print) 1464-0325 (Linking)
Abstract:		"Proton transfer reaction-mass spectrometry (PTR-MS) is a new and emerging technique for the measurement and monitoring of volatile organic compounds (VOCs) at low concentrations in gaseous samples in more-or-less real time. Utilising chemical ionisation, it combines the desirable attributes of high sensitivity and short integration times with good precision and accuracy. Recently it has been exploited in applications related to atmospheric science. Here, the principles of operation of the PTR-MS are described, its advantages and disadvantages discussed, its inherent uncertainties highlighted, some of its uses in atmospheric sciences reviewed, and some suggestions made on its future application to atmospheric chemistry"
Keywords:		Air Pollutants/*analysis Environmental Monitoring/*methods Mass Spectrometry/methods Organic Chemicals/analysis Protons Volatilization;
Notes:		"MedlineHewitt, C N Hayward, S Tani, A eng Research Support, Non-U.S. Gov't Review England 2003/03/07 J Environ Monit. 2003 Feb; 5(1):1-7. doi: 10.1039/b204712h"