Determination of 1,2-Dichloroethane in Textiles by Gas Chromatography-Mass Spectrometry
  
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DOI:10.3969/j.issn.1004-4957.年份.月份
KeyWord:textiles  1,2-dichloroethane  gas chromatography-mass spectrometry(GC-MS)
  
AuthorInstitution
LIAN Qiu-yan,ZHU Feng*, LIN Ning-ting, YANG Yu-rong, WEI Min 1.国家纺织服装产品质量监督检验中心(福建);2.福建省纤维检验局
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Abstract:
      A gas chromatography-mass spectrometric(GC-MS) method was developed for the determination of 1,2-dichloroethane in textiles.The samples were extracted with methanol under ultrasonic assistance.The separation and quantification of 1,2-dichloroethane were achieved on an TG-624 column(30 m×0.32 mm×1.8 μm) using temperature programming.The identification and quantification of 1,2-dichloroethane were performed by GC-MS under full scan and selected ion monitoring scan with the external standard method.The result indicated that the calibration curve showed a good linear relationship between peak area and concentration of 1,2-dichloroethane in the range of 0.05-30 mg/L,with a correlation coefficient of 0.999 3.The limit of detection was 0.50 mg/kg.The average recoveries of 1,2-dichloroethane from 7 typical textile matrices including viscose fiber,polyester,wool,nylon,ramie,polyacrylonitrile fiber and cotton,at three spiked concentration levels of 0.5,1.0,5.0 mg/kg were in the range of 85.2%-101.4% with relative standard deviations(RSDs) of 4.0%-7.4%.With the advantages of low detection limit,good accuracy and high precision,the method could be used for residue surveillance of 1,2-dichloroethane in textile samples.
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