TY - BOOK AU - Siji, S; Research Scholar TI - Ion exchange recovery of heavy elments from wastewater using newly synthesised heteropolyacid ion exchangers and their catalytic activities. U1 - 541.3723 PY - 2015/// CY - Kannur PB - Kannur University KW - Thesis ( Ph.D ) - Chemistry KW - bimetallic heteropoly acide cition exchangers KW - Bismuth and cerium based heteropoly acide citaion exchangers KW - catalytic activities of some synthesised ion exchangers ER -