Processing of Um-Gheig Lead-Zinc Deposits, Eastern Desert, Egypt for Separating Pure Cadmium Sulfide. Mohamed A. Mahdy, Galal M. Abdel Wahab, Omneya M. El Hussaini and Mohamed F. El Shahat* Omneya M. El Hussaini Yousry M. Issa*, Ibrahim I. Abd-Elgawad1 and Wessam N. El-Sayed1 Y. M. Issa A. A. Abdel-Fattah M .Y El Kady*, E. M. El -Sheikh, * and H.M. Kamal ** N. El-Arfaj1, S. Abdel-Razeq2* and S. El-Dosarry3. |