1. Department of Analytical Chemistry National Organization for Drug Control & Research (NODCAR) Giza 12553 Egypt
2. Department of Analytical Chemistry Faculty of Pharmacy Cairo University Cairo 12613 Egypt
3. Pharmaceutical Analytical Chemistry Department College of Pharmaceutical Sciences and Drug Manufacturing Misr University for Science & Technology 6th of October City Giza 12566 Egypt
4. Department of Analytical Chemistry Faculty of Pharmacy Zagazig University Zagazig 44519 Egypt