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Determination of semi-volatile and particle-associated polycyclic aromatic hydrocarbons in Stockholm air with emphasis on the highly carcinogenic dibenzopyrene isomers
Stockholm University, Faculty of Science, Department of Analytical Chemistry.
Stockholm University, Faculty of Science, Department of Analytical Chemistry.
Stockholm University, Faculty of Science, Department of Analytical Chemistry.
Stockholm University, Faculty of Science, Department of Applied Environmental Science (ITM).
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(English)Manuscript (preprint) (Other academic)
National Category
Analytical Chemistry
Identifiers
URN: urn:nbn:se:su:diva-107168OAI: oai:DiVA.org:su-107168DiVA: diva2:743718
Available from: 2014-09-04 Created: 2014-09-04 Last updated: 2014-09-05
In thesis
1. Determination of Polycyclic Aromatic Hydrocarbons in Various Environmental Matrices: Emphasis on extraction method development
Open this publication in new window or tab >>Determination of Polycyclic Aromatic Hydrocarbons in Various Environmental Matrices: Emphasis on extraction method development
2014 (English)Doctoral thesis, comprehensive summary (Other academic)
Abstract [en]

Very recently, air pollution was declared the world’s single largest environmental health risk by the World Health Organization. The goal of this thesis is to contribute to a better assessment of air pollution through the development of novel and exhaustive extraction methods for the analysis of polycyclic aromatic hydrocarbons (PAHs), which are mutagenic and carcinogenic air pollutants.

The methods were developed and validated for the extraction of PAHs in both the semi-volatile fraction and particulate matter with application to samples derived from major sources of PAHs (diesel exhaust, coal fly ash and wood smoke samples). Pressurized liquid extraction was used because it allows a high sample throughput with reduced solvent requirements and analysis time compared to other traditionally used techniques, such as Soxhlet extraction.

The results presented herein show that the extraction conditions used when analyzing PAHs need to be evaluated to avoid underestimating their concentrations. This is especially true for the human carcinogen benzo[a]pyrene, which is often used as an indicator in the cancer risk assessments of PAHs, and the dibenzopyrene isomers due to their potentially high carcinogenicities.

Place, publisher, year, edition, pages
Stockholm: Department of Analytical Chemistry, Stockholm University, 2014. 56 p.
National Category
Analytical Chemistry
Research subject
Analytical Chemistry
Identifiers
urn:nbn:se:su:diva-107175 (URN)978-91-7447-964-5 (ISBN)
Public defence
2014-10-09, Magnélisalen, Kemiska övningslaboratoriet, Svante Arrhenius väg 16 B, Stockholm, 10:00 (English)
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Supervisors
Note

At the time of the doctoral defense, the following papers were unpublished and had a status as follows: Paper 3: Accepted. Paper 4: Manuscript.

Available from: 2014-09-18 Created: 2014-09-04 Last updated: 2014-09-18Bibliographically approved

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Masala, SilviaLim, HwanmiBergvall, ChristofferJohansson, ChristerWesterholm, Roger
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