Rapid detection of hazardous chemicals in textiles by direct analysis in real-time mass spectrometry (DART-MS)
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Residues of chemicals on clothing products were examined by direct analysis in real-time (DART) mass spectrometry. Our experiments have revealed the presence of more than 40 chemicals in 15 different clothing items. The identification was confirmed by DART tandem mass spectrometry (MS/MS) experiments for 14 compounds. The most commonly detected hazardous substances were nonylphenol ethoxylates (NPEs), phthalic acid esters (phthalates), amines released by azo dyes, and quinoline derivates. DART-MS was able to detect NPEs on the skin of the person wearing the clothing item contaminated by NPE residuals. Automated data acquisition and processing method was developed and tested for the recognition of NPE residues thereby reducing the analysis time.
KeywordsDirect analysis in real-time tandem mass spectrometry (DART-MS; DART-MS/MS) Hazardous substances Textile articles Nonylphenol ethoxylate (NPE) Phthalic acid ester (phthalate) Quinolines
This work was financially supported by the grant K-101850 given by OTKA (National Found for Scientific Research Development, Hungary) and the grant TÁMOP-4.2.2.A-11/1/KONV-2012-0036 supported by the European Union and co-funded by the European Social Fund.
Compliance with ethical standards
Conflict of interest
The authors declare that they have no conflict of interest.
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