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Paper Information

Journal:   INTERNATIONAL JOURNAL OF OCCUPATIONAL HYGIENE   OCTOBER 2013 , Volume 5 , Number 4; Page(s) 177 To 183.
 
Paper: 

APPLICATION OF SOLID PHASE MICROEXTRACTION FOLLOWED BY CHROMATOGRAPH-FLAME IONIZATION DETECTOR FOR SAMPLING AND ANALYSIS OF ACETONITRILE IN AIR

 
 
Author(s):  KURD NEMATULLAH, BAHRAMI ABDULRAHMAN*, GHORBANI SHAHNA FARSHID, HEIDARI MAHMOUD
 
* RESEARCH CENTRE FOR HEALTH SCIENCES, FACULTY OF HEALTH, HAMEDAN UNIVERSITY OF MEDICAL SCIENCES, HAMADAN, IRAN
 
Abstract: 

Acetonitrile used as a solvent in manufactures and affects to central nervous system from inhalation exposure. The aim of this study was to develop a micro-solid phase extraction method for the determination of acetonitrile in the air matrix. The sampling was performed with a small diameter fused silica fiber coated with a thin film of stationary phase and was subsequently desorbed and analyzed by gas chromatograph equipped with a flame ionization detector (GC/FID). The effects of laboratory and sampling parameters were investigated and applied to the determination of acetonitrile in air matrix. The Carboxen/PDMS as the coating fiber showed better analytical performances compared to the PDMS fiber. Analysis of the data by ANOVA test at a 0.05 level of accuracy showed that the peak area of the sampler was significantly affected by temperature and humidity so that the optimum temperature was 20oC and the optimum humidity was 35%. Besides, the limit of detection (LOD) and limit of quantification (LOQ) for acetonitrile in the GC system were 0.05 and 0.15 mg/ml, respectively. The solid phase microextraction (SPME) has been shown a suitable technique for sampling and analysis of acetonitrile in air. There was a good correlation between the SPME and national institute occupational safety and health (NIOSH) 1010 method under the optimum conditions.

 
Keyword(s): ACETONITRILE, SOLID PHASE MICRO EXTRACTION, GAS CHROMATOGRA
 
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