Abubakar Haruna2023-09-222023-09-222018-11-11https://teras.ng/api/asset/document/5b74c09d-b883-43ab-a108-3681a45f2b72https://teras.ng/catalog-item/99279674-f0cc-487a-84f1-331cbb6980ffhttp://dspace.teras-network.net:4000/handle/123456789/42614Five water samples were drawn at random from locally dug well, river, dam and borehole in Faskari Local Government Area of Katsina State (Northern Nigeria) in two litters of each, 10ml of concentrated nitic acid were added for preservation and evaporated in a beaker and transferred into a planchet till often residue.Undergraduate Theses