Bulletin of Faculty of Science, Zagazig University (BFSZU) - Articles List
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Current Issue
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Volume 2023 (2023)
Volume 2022 (2022)
Volume 2021 (2021)
Volume 2020 (2020)
Volume 2019 (2019)
Volume 2018 (2018)
Volume 2017 (2017)
Volume 2016 (2016)
Author =
Ayman A Gouda
Number of Articles:
9
1
Surface active ionic liquid‑assisted cloud point extraction method for preconcentration of nickel in environmental samples before its FAAS determination
Articles in Press, Accepted Manuscript , Available Online from
13 July 2020
Ayman A Gouda; Ragaa elsheikh; Eman M Hafez; Ibrahim S. Ali; Salih S Idris; Osama M. Salem
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417.06 K
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2
Preconcentration and spectrophotometric determination of mercury in water, food and hair samples through ionic-liquid induced micelle-mediated extraction
Articles in Press, Accepted Manuscript , Available Online from
13 July 2020
Ayman A Gouda; Ragaa elsheikh; Wafaa Hassan; Sara H Ibrahim; Amira Youssef
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364.16 K
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3
Utilization of charge transfer complexation reaction for the spectrophotometric determination of acyclovir as antiviral drug in pharmaceutical formulations
Volume 2023, Issue 4, January 2024, Page
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
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1.27 MB
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4
Surfactant assisted spectrophotometric determination of copper(II), and mercury(II) in real samples using 2- amino-4-((4- nitrophenyl)diazenyl)pyridine-3-ol
Volume 2023, Issue 3, October 2023, Page
11-26
Ahmed H. Moustafa; Hassan A El-Sayed; Alaa S Amin; Asmaa El-Haggar; Ayman A Gouda
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1.06 MB
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5
Determination of glycerin in pharmaceutical formulations by liquid chromatography
Volume 2023, Issue 1, March 2023, Page
153-163
Ayman A Gouda; Ragaa El Sheikh; Soad S Abdel Hay; Heba El Sayed; Mohamedd Ali
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1.27 MB
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6
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, Page
88-98
Ayman A Gouda; Ragaa elsheikh; Eman Fawzy; Basma Mohamed
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405.19 K
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7
Ultrasound-assisted ionic liquid-based dispersive liquid-liquid microextraction procedure for preconcentration of cobalt and nickel in environmental and biological samples prior to FAAS determination
Volume 2022, Issue 2, July 2022, Page
105-120
Ragaa elsheikh; Heba El Sayed; Sherehan Abo Al Ezz; Walaa Gamil; Mohamed Ali; Ayman A Gouda; Shyma M Fawzi
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1.37 MB
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8
Assessment of Organochlorine pesticides and heavy metals in groundwater in Belbis region, El-Sharqia, Egypt
Volume 2022, Issue 1, April 2022, Page
64-70
Ayman A Gouda; Ragaa elsheikh; Mohammed Shaltout; Khairy A. Hamed
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1.03 MB
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9
An environment-Friendly Cloud Point Extraction Method for preconcentration and determination of Lead and Cadmium in Water Samples
Volume 2016, Issue 1, 2020, Page
1-10
Ayman A Gouda; Ragaa elsheikh; Kamal El Nabawy; Mohammed Shaltout; Ragaa El Sheikh
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394.04 K
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