Journal
JOURNAL OF SEPARATION SCIENCE
Volume 32, Issue 14, Pages 2434-2441Publisher
WILEY-V C H VERLAG GMBH
DOI: 10.1002/jssc.200900089
Keywords
Aromatic amine; Azo dyes; Liquid-phase trapping; Sorbent; Thermal desorption
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Funding
- Ministry of Science and Technology of People's Republic of China [2006BAK10B03]
- Ministry of Finance of People's Republic of China [200810953]
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A novel method based on thermal desorption was developed for the trapping of aromatic amines from azo dyes reduction in liquid phase. Combining GC-MS, the detection limits for 21 kinds of aromatic amines ranged from 0.1 to 3 mg/kg. The recoveries of most aromatic amines were >= 70% with RSDs <= 10%. This method also offers low sample and organic solvent requirements, effective preconcentration and convenient procedure. It has been applied to determine aromatic amines from the real samples of textile and yielded good results.
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