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Determination of odour concentration by TD-GC×GC–TOF-MS and field olfactometry techniques

Abstract

Field olfactometry is one of the sensory techniques used to determine odour concentration, in atmospheric air, directly in emission sources. A two-dimensional gas chromatography with time of flight mass spectrometer (GC×GC–TOF-MS) allows performing the chemical characterization of various groups of chemical compounds, even in complex mixtures. Application of these techniques enabled determination of odour concentration level in atmospheric air in a vicinity of the oil refinery and the neighbouring wastewater treatment plant. The atmospheric air samples were analysed during a time period extending from February to June 2016. Based on the GC×GC–TOF-MS analysis and odour threshold values, the theoretical odour concentrations were calculated and compared with the odour concentrations determined by field olfactometry technique. The investigations revealed that higher values of odour concentration were obtained with the field olfactometry technique where odour analysis was based on holistic measurement. It was observed that the measurement site or meteorological conditions had significant influence on odour concentration level. The paper also discusses the fundamental analytical instruments utilized in the analysis of odorous compounds and their mixtures.

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Category:
Articles
Type:
artykuł w czasopiśmie wyróżnionym w JCR
Published in:
MONATSHEFTE FUR CHEMIE no. 148, edition 9, pages 1651 - 1659,
ISSN: 0026-9247
Language:
English
Publication year:
2017
Bibliographic description:
Byliński H., Kolasińska P., Dymerski T., Gębicki J., Namieśnik J.: Determination of odour concentration by TD-GC×GC–TOF-MS and field olfactometry techniques// MONATSHEFTE FUR CHEMIE. -Vol. 148, iss. 9 (2017), s.1651-1659
DOI:
Digital Object Identifier (open in new tab) 10.1007/s00706-017-2023-8
Verified by:
Gdańsk University of Technology

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