13266

12095

كارشناسي ارشد

شيمي تجزيه

اصفهان: دانشگاه صنعتي اصفهان، دانشكده شيمي

۱۳۹۶

يازده، ۴۳ص.: مصور، جدول، نمودار

محمد سراجي، محمد تقي جعفري

بهزاد رضايي، علي اصغر انصافي

1396/12/05

كتابنامه

شيمي

شيمي

ID12095

43Determination of Chloropyrifos Herbicide in water samples by using solid phase microextraction and ion mobility spectrometry Faeze nejatbakhsh f nejatbakhsh@ch iut ac ir September 2017 Department of Chemistry Isfahan University of Technology Isfahan 84156 83111 Iran Degree M Sc Language FarsiSupervisor Prof Mohammad Saraji Email saraji@cc iut ac irAssoc Prof Mohammad Taghi Jafari Email jafari@cc iut ac irAbstractIn this research COF containing triazine ring and aldehyde bond as an adsorbent was used in solidphase microextraction Adsorbent is indicated by using glue on metal wire and As an adsorbentwere used to measure the chloropyrifos Ion mobility spectrometry with corrona ionization sourceas a rapid technique used for analysis of compounds The effects of different parameters influencingon the extraction efficiency such as PH stirring rate salt effect extraction temperature desorptiontemperature and extraction time were investigated and optimized The best extraction efficiencywas observed at 1000 rpm stirring rate extraction temperature was 25 C desorption temperaturewas 220 C extraction time was 20 min saturated salt concentration was 0 Na2So4 and PH was 4 Under optimized condition linear rang 1 100 g L and detection limit 0 4 g L were obtained inanalysis of spiked samples relative recoveries were in range of 79 104 Relative standarddeviation were in rang of 4 6 Key WordsSolid phase microextraction COF Covalent Organic Framework ion mobility spectrometry Chloropyrifos herbicide Injection chamber

محمد سراجي، محمد تقي جعفري

بهزاد رضايي، علي اصغر انصافي