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A proton transfer reaction mass spectrometry based system for determining plant uptake of volatile organic compounds.

Tani, Akira and Kato, Shungo and Kajii, Yoshizumi and Wilkinson, Michael and Owen, Sue and Hewitt, C. N. (2007) A proton transfer reaction mass spectrometry based system for determining plant uptake of volatile organic compounds. Atmospheric Environment, 41 (8). pp. 1736-1746.

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Abstract

In order to evaluate the contribution that higher plants make to the removal of volatile organic compounds from the atmosphere, a measurement system consisting of a proton transfer reaction mass spectrometer (PTR-MS), CO2 analyzer, diffusion devise and leaf enclosure was established. The uptake of VOCs by Golden Pothos (Epipremnum aureum) was investigated. The overall relative error associated with measurements made using this system was <2.2% when a Golden Pothos leaf was exposed to 75–750 ppbv of methyl isobutyl ketone (MIBK). Even at the lowest MIBK concentration, more than 2.2% of the inflowing VOC was lost to the leaf, representing a detectable and positive MIBK uptake rate by the plant. The results of the investigation were compared with a measurement system based on gas chromatography analysis and it was shown that the use of a PTR-MS based system can significantly increase the certainties in determining the rate of VOC uptake by plants.

Item Type: Article
Journal or Publication Title: Atmospheric Environment
Uncontrolled Keywords: Proton transfer reaction mass spectrometer ; VOC ; Uptake ; Methyl isobutyl ketone
Subjects: G Geography. Anthropology. Recreation > GE Environmental Sciences
Departments: Faculty of Science and Technology > Lancaster Environment Centre
ID Code: 26623
Deposited By: Prof CN Hewitt
Deposited On: 10 Jun 2009 11:24
Refereed?: Yes
Published?: Published
Last Modified: 06 Sep 2013 19:20
Identification Number:
URI: http://eprints.lancs.ac.uk/id/eprint/26623

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