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Non-target analysis of household dust and laundry dryer lint using comprehensive two-dimensional liquid chromatography coupled with time-of-flight mass spectrometry
Stockholm University, Faculty of Science, Department of Environmental Science and Analytical Chemistry.
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Number of Authors: 5
2017 (English)In: Chemosphere, ISSN 0045-6535, E-ISSN 1879-1298, Vol. 166, 431-437 p.Article in journal (Refereed) Published
Abstract [en]

Household dust and laundry dryer lint are important indoor environmental matrices that may have notable health effects on humans due to chronic exposure. However, due to the sample complexity the studies conducted on these sample matrices until now were almost exclusively on the basis of target analysis. In this study, comprehensive two-dimensional liquid chromatography coupled with time-of flight mass spectrometry (LC x LC-ToF MS) was applied, to enable non-target analysis of household dust as well as laundry dryer lint for the first time. The higher peak capacity and, good orthogonality of LC x LC, together with reduced ion suppression in the MS enabled rapid identification of environmental contaminants in these complex sample matrices. A number of environmental contaminants were tentatively identified based on their accurate masses and isotopic patterns, including plasticizers, flame retardants, pesticides, drug metabolites, etc. The identity of seven compounds: tris(2-butoxyethyl) phosphate, tris(2-chloropropyl) phosphate, n-benzyl butyl phthalate, dibutyl phthalate, tributyl phosphate, triethyl phosphate and N, N-diethyl-meta-toluamide was confirmed using two-dimensional retention alignment and their concentrations in the samples were semi-quantitatively determined.

Place, publisher, year, edition, pages
2017. Vol. 166, 431-437 p.
Keyword [en]
Household dust, Laundry dryer lint, Non-target screening, Two-dimensional liquid chromatography, High resolution mass spectrometry
National Category
Earth and Related Environmental Sciences
Identifiers
URN: urn:nbn:se:su:diva-136242DOI: 10.1016/j.chemosphere.2016.09.107ISI: 000386186400047PubMedID: 27705830OAI: oai:DiVA.org:su-136242DiVA: diva2:1055243
Available from: 2016-12-12 Created: 2016-12-01 Last updated: 2016-12-12Bibliographically approved

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Weiss, Jana M.
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CiteExportLink to record
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Cite
Citation style
  • apa
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  • vancouver
  • Other style
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  • de-DE
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Output format
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