Summary
A rapid and simple method, pyrolysis gas chromatography coupled with mass spectrometric detection (Py-GC-MS), is introduced for qualitative determination of banned aromatic amines released from azo dyes on textiles. Use of Py-GC-MS can reduce absolute analysis time from three hours to thirty minutes, because no sample preparation is necessary. Qualitative determination of banned amines by Py-GC-MS was investigated for three pure azo dyes and six contaminated textile samples consisting of different matrices. Pyrolysates of pure azo dyes were identified as aromatic amines. Banned aromatic amines released from azo dyes could be qualitatively determined for four of six contaminated textile samples by Py-GC-MS.
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Plum, A., Engewald, W. & Rehorek, A. Rapid qualitative pyrolysis GC-MS analysis of carcinogenic aromatic amines from dyed textiles. Chromatographia 57 (Suppl 1), S243–S248 (2003). https://doi.org/10.1007/BF02492110
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DOI: https://doi.org/10.1007/BF02492110