OTUNBA, Phadlullahi Adedeji2026-01-162026-01-162025-09-17https://ir.funaab.edu.ng/handle/123456789/556A Dissertation submitted to the Department of Pure and Applied Chemistry, College of Physical Sciences, Federal University of Agriculture, Abeokuta in partial fulfillment of the requirements for the award of degree of Master of Science in Industrial Chemistry,enSYNTHESIS AND CHARACTERIZATION OF CRAYFISH-BASED NPrGO-HYDROXYAPATITE AND BIOSORBENT FOR PATHOGENS AND MERCURY (II) REMOVALFROM WASTEWATERThesis