Hassan Abdelhalim Abdelfttah Elgammal <br/><br/>
Chemical studies on some pesticides as food contaminantes using liquid chromatography tandem mass spectrometry /  
 دراسات كيميائية على بعض المبيدات كملوثات للغذاء باستخدام الكروماتوجرفى السائل ومطياف الكتلة المتتالي 
Hassan Abdelhalim Abdelfttah Elgammal ; Supervised Abdelmoneim Mohamed Radwan Afify , Mahmoud Abdelhalim Mohamed , Emad Ramadan Attallah 
 - Cairo :   Hassan Abdelhalim Abdelfttah Elgammal ,   2010 
 - 111 P. :   charts ;   25cm 
<br/><br/>Thesis (M.Sc.) - Cairo University - Faculty of Agriculture - Department of Agricultural Biochemistry 
<br/><br/> Multiresidue method of analysis for determination of 150 pesticides in grapes and green beans as commonly consumed fruits and vegetables was developed .The method has been optimized and validated using quick easy cheap effective rugged and safe ( QuEChERS ) extraction method with a comparison by two other methods of extraction by acetone Luke method 
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<br/><br/><label>Subjects--Index Terms: </label>Liquid chromatography Pesticide residues Tandem mass