Gouda Abdalla Ramadan Gouda <br/><br/>
Development and validation of A multiresidue method for the determination of pesticides in some medicinal and aromatic plants /  
 تطوير واعتماد طريقة تحليل المتبقيات المتعددة لتقدير المبيدات فى بعض النباتات الطبية والعطرية 
Gouda Abdalla Ramadan Gouda ; Supervised Hany Mahmoud Ashour , Dalia Ahmed Barakat , Emad Ramadan Attallah 
 - Cairo :   Gouda Abdalla Ramadan Gouda ,   2012 
 - 136P. :   charts ;   25cm 
<br/><br/>Thesis (Ph.D.) - Cairo University - Faculty of Agriculture - Department of Economic Entomology and Pesticides 
<br/><br/> The study was directed to compare between two extraction methods and four clean - up procedures for determination of pesticide residues in herbs by high - resolution gas chromatography with electron - capture and nitrogen phosphorus detection (HRGC-ECD\NPD ) was studied to choose the best one for validation . Also determination of pesticide residues at trace levels in exportation shipments of dry mint , chamomile and fennel during two successive years (January 2009 - December 2010) 
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<br/><br/><label>Subjects--Index Terms: </label>Medicinal plants  Pesticides  Validation