Shafiq Uz Zaman, Muhammad.. Surface modification of amberlyst 15 by nanosized silica for the uptake of Pb2+ ions / [Thesis or Dissertation] Muhammad Shafiq uz Zaman. - Islamabad : COMSATS University Islamabad, 2021. - xvii, 67 pages : color illustrations ; 30 cm Subjects--Personal Names: Muhammad Waseem, Dr. Supervisor, Prof, Chemistry. Subjects--Topical Terms: Sodium silicate solution--Thermodynamic. Surface modification--Spectroscopy. Index Terms--Genre/Form: Chemistry Dewey Class. No.: 540 / ZAM-S