Bulletin of Faculty of Science, Zagazig University

Keywords = Spectrophotometry

Ecofriendly spectrophotometric techniques for the determination of imeglimin hydrochloride in pharmaceutical formulations

Volume 2025, Issue 4, October 2025, Pages 126-136

Ayman A Gouda; Ragaa elsheikh; Asmaa S Abdelhamed; Mohamed A. Afify; Mona A El-Attar; Mahmoud Almasry

Simple and Sensitive Spectrophotometric Methods for Estimation of Vortioxetine HBr in Pharmaceutical Formulations

Volume 2025, Issue 3, July 2025, Pages 52-63

Ayman A Gouda; Ragaa elsheikh; Noha E.M. Elsaify; Nehal S.A. Soliman; Asmaa El Sayed; Ahmed Salah Eldien; Asmaa S Abdelhamed; Mohamed A. Afify

Utilization of charge transfer complexation reaction for spectrophotometric determination of dronedarone hydrochloride in pure and dosage forms

Volume 2025, Issue 2, June 2025, Pages 1-13

Ayman A Gouda; Ragaa elsheikh; Sameh Abdalla; Nessma M. Jumaa; Noha E.M. Elsaify; Nehal S.A. Soliman; Ahmed Ghazy; Asmaa El Said

Quantitative spectrophotometric determination of ivabradine hydrochloride in pharmaceutical formulations based on redox reaction using cerric(IV) ammonium sulphate

Volume 2025, Issue 2, June 2025, Pages 26-38

Ahmed A. Ghazy; Ayman A Gouda; Ragaa elsheikh; Sameh Abdalla; Nessma M. Jumaa; Noha E.M. Elsaify; Nehal S.A. Soliman; Asmaa El Said; Ahmed H. Moustafa

A comprehensive overview on the analytical techniques used for determination of moxifloxacin hydrochloride in pharmaceutical and biological matrices

Volume 2025, Issue 2, June 2025, Pages 95-118

Ayman A Gouda; Ragaa elsheikh; Moataz S. Mahmoud; Ahmed F Abdel Allem; Ahmed El Sayed; Nessma M. Jumaa; Noha E.M. Elsaify; Nehal S.A. Soliman; Asmaa El Sayed

Spectrophotometric Methods for Quantitative Determination of Imeglimin HCl in Pure and Dosage Forms

Volume 2024, Issue 4, January 2025, Pages 190-200

Ayman A Gouda; Alaa S. Amin; Soha Fahium; Abd El Moamen R.M. Mahdy; Noha E.M. Elsaify; Nehal S.A. Soliman

Validated Spectrophotometric Methods Based on Charge Transfer Complexation Reactions for the Quantification of Antimalarial Drug: Chloroquine Phosphate in Pure and Dosage Forms

Volume 2024, Issue 1, April 2024, Pages 182-194

Ayman A Gouda; Ragaa elsheikh; Sara Gaber; Moataz S. Mahmoud; Ahmed F Abdel Allem; Ahmed El Sayed; Ahmed Ghazy

Utilization of charge transfer complexation reaction for the spectrophotometric determination of acyclovir as antiviral drug in pharmaceutical formulations

Volume 2023, Issue 4, January 2024, Pages 55-65

Ayman A Gouda; Ragaa elsheikh; Moataz S. Mahmoud; Ghada M. Abdel Fattah; Alyaa S. Ibrahim; Ahmed F Abdel Allem; Nessma M. Jumaa; Ahmed El Sayed

Utilization of ion-pair complexation reaction for the spectrophotometric determination of milnacipran HCl as anti-depression drug in pharmaceutical formulations

Volume 2022, Issue 4, January 2023, Pages 88-98

Ayman A Gouda; Ragaa elsheikh; Eman Fawzy; Basma Mohamed

An environment-Friendly Cloud Point Extraction Method for preconcentration and determination of Lead and Cadmium in Water Samples

Volume 2016, Issue 1, 2020, Pages 1-10

Ayman A Gouda; Ragaa elsheikh; Kamal El Nabawy; Mohammed Shaltout; Ragaa El Sheikh

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