Dalia Elsayed Sayed Ahmed Elhefny <br/><br/>
Development of a multiresidue method for the determination of pesticides in vegetables and fruits /  
 تطوير طريقة تحليل المتبقيات المتعددة لتقدير المبيدات في الخضروات و الفاكهة 
Dalia Elsayed Sayed Ahmed Elhefny ; Supervised Sayed Abbas Elmahy , Dalia Ahmed Barakat , Mohamed Abdelrazik Elsayed 
 - Cairo :   Dalia Elsayed Sayed Ahmed Elhefny ,   2012 
 - 153 P. :   charts ;   25cm 
<br/><br/>Thesis (Ph.D.) - Cairo University - Faculty of Agriculture - Department of Economic Entomology and Pesticides 
<br/><br/> Five solvents with different polarities were used to compare pesticides extraction from samples and recovery results of (penconazole, diniconazole, difenoconazole, azoxystrobin, chlorfenapyr and lufenueon) obtained by solvent extraction with n-pentane, ethyl acetate, isopropanol, dichloromethane and ethanol 
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<br/><br/><label>Subjects--Index Terms: </label>Difenoconazole Diniconazole Penconazole