Effects of Moisture Content and Solvent Additive on Headspace Solid-Phase Microextraction of Total Petroleum Hydrocarbons from Soil

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dc.contributor.author Alimzhanova, Mereke
dc.contributor.author Kenessov, Bulat
dc.contributor.author Nauryzbayev, Mikhail
dc.contributor.author Koziel, Jacek
dc.contributor.author Koziel, Jacek
dc.contributor.department Food Science and Human Nutrition
dc.contributor.department Civil, Construction and Environmental Engineering
dc.contributor.department Agricultural and Biosystems Engineering
dc.contributor.department Toxicology
dc.date 2019-12-10T20:33:42.000
dc.date.accessioned 2020-06-29T22:36:45Z
dc.date.available 2020-06-29T22:36:45Z
dc.date.copyright Sun Jan 01 00:00:00 UTC 2012
dc.date.issued 2012-01-01
dc.description.abstract <p>Present paper describes optimization of the method of quantitative determination of total petroleum hydrocarbons in soil samples using headspace solid - phase microextraction (SPME) in combination with gas chromatography - mass spectrometry (GC-MS). Effects of moisture content and solvent additives were studied. It was established that an increase of the moisture content in soil leads to an increase of the response of petroleum hydrocarbons reaching its maximum at 15-20% depending on the soil type and concentration of total petroleum hydrocarbons followed by its gradual decrease. For the same concentration of petroleum hydrocarbons, an increase of moisture content in soil from 0 to 20% may lead to a 15x increase of total petroleum hydrocarbons response by solid - phase microextraction. Determination of total petroleum hydrocarbons in soils by SPME -GC-MS without moisture control of samples may lead to large errors, especially at low concentrations. It was established that addition of the solvent to a soil-water mixture allows dissolution of an oil film on the water surface and provides better extraction of hydrocarbons from soil to water phase. To avoid effect of moisture content on the extraction efficiency and more precise analysis of the real samples, addition of the excess distilled water must be done. Addition of the polar organic solvent to a soil-water mixture (10% isopropanol) allows dissolution of an oil film on the water surface and provides linear dependence of extraction efficiency vs total petroleum hydrocarbons content in soil. Testing of the optimized method on model soil samples provided quantitative data, results being in 30-120% range from the real values.</p>
dc.description.comments <p>This article is published as Alimzhanova, M. B., B. N. Kenessov, M. K. Nauryzbayev, and J. A. Koziel. "Effects of moisture content and solvent additive on headspace solid-phase microextraction of total petroleum hydrocarbons from soil." <em>Eurasian Chemico-Technological Journal</em> 14, no. 4 (2012): 331-335. Posted with permission.</p>
dc.format.mimetype application/pdf
dc.identifier archive/lib.dr.iastate.edu/abe_eng_pubs/1084/
dc.identifier.articleid 2369
dc.identifier.contextkey 15565183
dc.identifier.s3bucket isulib-bepress-aws-west
dc.identifier.submissionpath abe_eng_pubs/1084
dc.identifier.uri https://dr.lib.iastate.edu/handle/20.500.12876/783
dc.language.iso en
dc.source.bitstream archive/lib.dr.iastate.edu/abe_eng_pubs/1084/0-2019_Koziel_EurasianChemicoTechnologicalJournal_PermPolic.pdf|||Fri Jan 14 18:29:14 UTC 2022
dc.source.bitstream archive/lib.dr.iastate.edu/abe_eng_pubs/1084/2012_Koziel_EffectsMoisture.pdf|||Fri Jan 14 18:29:16 UTC 2022
dc.subject.disciplines Bioresource and Agricultural Engineering
dc.subject.disciplines Environmental Health and Protection
dc.subject.disciplines Environmental Indicators and Impact Assessment
dc.subject.keywords 2
dc.subject.keywords 4-dichlorophenoxyacetic acid
dc.subject.keywords Raman scattering
dc.subject.keywords bentonite clay
dc.subject.keywords carbon nanotubes
dc.title Effects of Moisture Content and Solvent Additive on Headspace Solid-Phase Microextraction of Total Petroleum Hydrocarbons from Soil
dc.type article
dc.type.genre article
dspace.entity.type Publication
relation.isAuthorOfPublication 76fc5589-51f8-4f3c-885c-e25d8037d641
relation.isOrgUnitOfPublication 4b6428c6-1fda-4a40-b375-456d49d2fb80
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