Determination of diozin by Solid Phase Microeztraction Coupled with Gas Chromatography/Mass Spectrometry
A sensitive and accurate method has been developed for the determination of Dioxin by solid phase microextraction(SPME)coupled with gas chromatography and mass spectrometric detection(GC-MS). Method: Some factors influencing solid-phase microexaction(SPME) extraction efficiency such as extraction of time and temperature were studied. The result shows:with the extraction of time 30min, temperature 45℃, Detection limit of the method is 0.05 pg/ul for TCDD. The relative standard devation(RSD) is less than 10％, and the result of detection of dioxin sample is 0.78pg/ul. Conclusion: The method of solid phase microextraction is practicable and effective to analyze the quantity contained dioxin. The sample standards added in water were 90.4％-103.7％, the method is used to analyze practice water sample, the proposed method has the advantages of solvent-free sample preparation, simplicity of the procedure, good sensitivity and reproducibility. It provide a new method of testing dioxin.
solid phase microeztraction gas chromatography-mass spectrometry diozin
Liu YanQun TanYouMing ZhouYiKai
School of Medicine & Life Sciences Jianghan University Wuhan 430056, China Institute of Environmenta School of Medicine Shanghai Jiaotong University Shanghai 200025, China Institute of Environmental Medicine Tongji Medical College of Huazhong University of Science and Tec
国际会议
上海
英文
4086-4087
2008-05-16（万方平台首次上网日期，不代表论文的发表时间）