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Determination of aniline and quinoline compounds in textiles
Stockholm University, Faculty of Science, Department of Environmental Science and Analytical Chemistry.
Stockholm University, Faculty of Science, Department of Environmental Science and Analytical Chemistry.
Stockholm University, Faculty of Science, Department of Environmental Science and Analytical Chemistry.
Stockholm University, Faculty of Science, Department of Environmental Science and Analytical Chemistry.
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Number of Authors: 5
2016 (English)In: Journal of Chromatography A, ISSN 0021-9673, E-ISSN 1873-3778, Vol. 1471, 11-18 p.Article in journal (Refereed) Published
Abstract [en]

A simple method for simultaneous determination of twenty-one analytes, belonging to two classes of compounds, aromatic amines and quinolines, is presented. Several of the analytes considered in this study frequently occur in textiles goods on the open market and have been related to allergic contact dermatitis and/or are proven or suspected carcinogens. The method includes an efficient clean-up step using graphitized carbon black (GCB) that simplifies and improves the robustness of the subsequent GC-MS analysis. Briefly, after solvent extraction of the textile sample, the extract is passed through a GCB SPE cartridge that selectively retain dyes and other interfering compounds present in the matrix, producing a clean extract, suitable for GC-MS analysis, is obtained. The method was evaluated by spiking blank textiles with the selected analytes. Method quantification limits (MQL) ranged from 5 to 720 ng/g depending on the analyte. The linear range of the calibration curves ranged over two order magnitude with coefficients of determination (R-2) higher than 0.99. Recoveries ranged from 70 to 92% with RSDs 1.7-14%. The effectiveness of the method was tested on a variety of textile materials samples from different origin. In a pilot explorative survey, 2,6-dichloro-4-nitroaniline was detected in all the analysed clothing samples in concentrations ranging from 1.0 to 576 mu g/g 2,4-dinitroaniline was detected in four of the seven samples with a highest concentration of 305 mu g/g Quinoline was detected in all samples in concentrations ranging from 0.06 to 6.2 mu g/g. (C) 2016 Elsevier B.V. All rights reserved.

Place, publisher, year, edition, pages
2016. Vol. 1471, 11-18 p.
Keyword [en]
Aromatic amines, Anilines, Quinolines, Graphitized carbon black column, chromatography, Clothing textiles, Allergenic compounds
National Category
Analytical Chemistry Biological Sciences
Identifiers
URN: urn:nbn:se:su:diva-136748DOI: 10.1016/j.chroma.2016.09.068ISI: 000387520400002OAI: oai:DiVA.org:su-136748DiVA: diva2:1056469
Available from: 2016-12-14 Created: 2016-12-14 Last updated: 2016-12-14Bibliographically approved

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