EKB Journal Management System
Author = Ayman A Gouda
Number of Articles: 4
1

Development of Cloud Point Extraction for Preconcentration and Spectrophotometric Determination of Entecavir as Antiviral Drug in Pharmaceutical Formulations and Application to Content Uniformity Testing

Volume 67, Issue 2, February 2024, Page 135-144
Ayman A Gouda; Ragaa Elsheek Shohaib; Mohannad M Garoub; Eman Fawzy; Moataz S Mahmoud; Ahmed F. Abdel Allem; Ahmed El Sayed; Nesma M. Jumaa; Alyaa S. Ibrahim
2

Efficiency Enhancement of the Spectrophotometric Estimation of Zinc in Water, Food, Tobacco and Pharmaceutical Preparations Samples Utilizing Cloud Point Extraction

Volume 66, Issue 7, July 2023, Page 553-562
Ahmed H. Moustafa; Hassan A. El-Sayed; Alaa S Amin; Asmaa M. El Haggar; Ayman A Gouda
3

An Eco-Friendly Cloud Point Extraction for Preconcentration of Iron(III) in Water Samples prior to Spectrophotometric Determination

Volume 65, Issue 131, December 2022, Page 581-590
Ayman A Gouda; Ragaa Elsheikh Shohaib; Alaa S Amin; Mohamed H Sherif; Asmaa M El lakani
4

An Eco-Friendly Ultrasound-Assisted Emulsification Dispersive Liquid–Liquid Microextraction of Nickel in Environmental Samples Coupled with Spectrophotometry

Volume 64, Issue 4, April 2021, Page 1877-1888
El Sayed Abo Taleb; Maged Antonious; Ragaa El Sheikh; Ahmed O Youssef; Ayman Gouda