Sensitive spectrophotometric methods for determination of some organophosphorus pesticides in vegetable samples by MAGDA A. AKL, RAGAA EL SHEIKH, ALAA S. AMIN, AYMAN A. GOUDA

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An eco-friendly HPLC method for concurrent determination of carbocisteine, guaifenesin, and oxomemazine in their combined formulations by Soad S. Abd El-Hay, Ragaa El Sheikh, Mohamed Ali, Ayman A. Gouda, Heba M. El-Sayed

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Recovery of W(VI) from Wolframite Ore Using New Synthetic Schiff Base Derivative by Rawan E. Elbshary, Ayman A. Gouda, Ragaa El Sheikh, Mohammed S. Alqahtani, Mohamed Y. Hanfi, Bahig M. Atia, Ahmed K. Sakr, Mohamed A. Gado

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Validated spectrophotometric approach for the estimation of an antiepileptic drug: retigabine in pure form and pharmaceutical formulations utilizing N-Bromosuccinimide as an oxidan... by Mohannad M. Garoub, Ragaa El Sheikh, Sara G. Mohamed, Moataz S. Mahmoud, Ahmed F. Abdel Allem, Ahmed El Sayed, Ahmed A. Ghazy, Nessma M. Gomaa, Sameh Abdalla, Osama M.A. Salem, Ayman A. Gouda

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Efficient Recovery of Rare Earth Elements and Zinc from Spent Ni–Metal Hydride Batteries: Statistical Studies by Ahmed R. Weshahy, Ayman A. Gouda, Bahig M. Atia, Ahmed K. Sakr, Jamelah S. Al-Otaibi, Aljawhara Almuqrin, Mohamed Y. Hanfi, M. I. Sayyed, Ragaa El Sheikh, Hend A. Radwan, Fatma S. Hassen, Mohamed A. Gado

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Selective Recovery of Cadmium, Cobalt, and Nickel from Spent Ni–Cd Batteries Using Adogen^® 464 and Mesoporous Silica Derivatives by Ahmed R. Weshahy, Ahmed K. Sakr, Ayman A. Gouda, Bahig M. Atia, H. H. Somaily, Mohamed Y. Hanfi, M. I. Sayyed, Ragaa El Sheikh, Enass M. El-Sheikh, Hend A. Radwan, Mohamed F. Cheira, Mohamed A. Gado

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