Synthesis of bis(2-aminoethyl)amine functionalized mesoporous silica (SBA-15) adsorbent for selective adsorption of Pb2+ ions from wastewater - Kokila Thirupathi; Madhappan Santhamoorthy; Ranganathan Suresh; Mohammad Ahmad Wadaan; Mei-Ching Lin; Seong-Cheol Kim; Keerthika Kumarasamy; Thi Tuong Vy Phan (Environmental Geochemistry and Health, 2024)