Single and Dual Metal Impregnated Activated Carbons for the Removal of Lead and Chromium from Wastewater. - Madeeha Younes; Younas, Muhammad; Kiani, Sidra Shaoor; Farooq, Amjad; Ashraf, Saima; Shoukat, Rimsha; Waseem, Zainab; Zayed, Muhammad (Journal of Water Chemistry & Technology, 2026)