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Diesel detection in surface water in the low ppb range
Linköping University, Department of Physics, Chemistry and Biology, Chemical and Optical Sensor Systems. Linköping University, Faculty of Science & Engineering.ORCID iD: 0000-0002-0873-2877
Linköping University, Department of Physics, Chemistry and Biology, Biosensors and Bioelectronics. Linköping University, Faculty of Science & Engineering.
2016 (English)In: PROCEEDINGS OF THE 30TH ANNIVERSARY EUROSENSORS CONFERENCE - EUROSENSORS 2016, ELSEVIER SCIENCE BV , 2016, Vol. 168, p. 384-387Conference paper, Published paper (Refereed)
Abstract [en]

A method for diesel detection in surface water in the low ppb range is presented. Even though standard commercial metal oxide gas sensors with detection limits in the ppm range are used, extraction of volatile compounds from the water enables a detection limit of about 2 ppb diesel in the water. The technique can be used for surface water monitoring. The standard technique of ultraviolet fluorescence detection has an interference problem with humic substances. This is not a problem with the suggested technique. Results from lab measurements as well as field tests at a water utility in the Stockholm region in Sweden are presented. (C) 2016 Published by Elsevier Ltd.

Place, publisher, year, edition, pages
ELSEVIER SCIENCE BV , 2016. Vol. 168, p. 384-387
Series
Procedia Engineering, ISSN 1877-7058
Keywords [en]
Gas sensor; water monitoring; diesel detection; ppb range
National Category
Analytical Chemistry
Identifiers
URN: urn:nbn:se:liu:diva-134531DOI: 10.1016/j.proeng.2016.11.145ISI: 000391641300092OAI: oai:DiVA.org:liu-134531DiVA, id: diva2:1074291
Conference
30th Eurosensors Conference
Available from: 2017-02-15 Created: 2017-02-15 Last updated: 2017-03-12

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