Author = Ragaa elsheikh
| Number of Articles: 11 | ||||
| 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 | ||||
| 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 | ||||
| 3 | Evaluation of Trihalomethanes Formation Potential and Healthy Risks in Alexandria Governorate, Egypt | |||
| Articles in Press, Accepted Manuscript , Available Online from 12 August 2020 | ||||
| Dina Moustafa; Ragaa elsheikh; Ali Mahmoud | ||||
| 4 | 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, Page 182-194 | ||||
| Ayman A Gouda; Ragaa elsheikh; Sara Gaber; Moataz S. Mahmoud; Ahmed F Abdel Allem; Ahmed El Sayed; Ahmed Ghazy | ||||
| 5 | 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 | ||||
| 6 | 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 | ||||
| 7 | A facile synthesis method and spectral characterization of silicon dioxide and magnetite nanoparticles | |||
| Volume 2022, Issue 4, January 2023, Page 52-59 | ||||
| Ragaa elsheikh; Mostafa Y. Nassar; Walaa H El- Shiwiny; hamed elsalhy | ||||
| 8 | 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 | ||||
| 9 | 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 | ||||
| 10 | 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 | ||||
| 11 | 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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