Solid-phase microextraction fiber development for sampling and analysis of volatile organohalogen compounds in air

Journal of Environmental Health Science Engineering

Mahmoud Heidari²  Farshid Ghorbani Shahna¹  Abdolrahman Bahrami¹  Seyed Ghavameddin Attari¹ 

[1] Department of Occupational Health, School of Public Health, Hamadan University of Medical Sciences, Hamadan, Iran;Department of Occupational Health, School of Health, Guilan University of Medical Sciences, Rasht, Iran

关键词: Volatile organohalogen compounds;    Sol¿gel technique;    Single walled carbon nanotubes;    Solid phase microextraction;   

Others  :  1164574
DOI  :  10.1186/s40201-014-0123-5

 received in 2013-08-03, accepted in 2014-09-09,  发布年份 2014

【 摘 要 】

A green, environmental friendly and sensitive method for determination of volatile organohalogen compounds was described in this paper. The method is based on a homemade sol¿gel single-walled carbon nanotube/silica composite coated solid-phase microextraction to develop for sampling and analysis of Carbon tetrachloride, Benzotrichloride, Chloromethyl methyl ether and Trichloroethylene in air. Application of this method was investigated under different laboratory conditions. Predetermined concentrations of each analytes were prepared in a home-made standard chamber and the influences of experimental parameters such as temperature, humidity, extraction time, storage time, desorption temperature, desorption time and the sorbent performance were investigated. Under optimal conditions, the use of single-walled carbon nanotube/silica composite fiber showed good performance, high sensitive and fast sampling of volatile organohalogen compounds from air. For linearity test the regression correlation coefficient was more than 98% for analyte of interest and linear dynamic range for the proposed fiber and the applied Gas Chromatography-Flame Ionization Detector technique was from 1 to 100 ngmL^?1. Method detection limits ranged between 0.09 to 0.2 ngmL^?1 and method quantification limits were between 0.25 and 0.7 ngmL^?1. Single-walled carbon nanotube/silica composite fiber was highly reproducible, relative standard deviations were between 4.3 to 11.7 percent.

【 授权许可】

   
2014 Attari et al.; licensee BioMed Central Ltd.

【 图 表 】

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