Physical and Theoretical Chemistry Laboratory, Department of Inorganic Chemistry, University of Yaounde I, Yaounde, Cameroon;
Local Materials Promotion Authority (MIPROMALO), Ministry of Scientific Research and Innovation, Yaounde, Cameroon;
Department of Chemistry, Faculty of Science, University of Bamenda, Bamenda, Cameroon;
Department of Chemistry, Faculty of Science, University of Buea, Buea, Cameroon;
Adsorption; Iron; Oxide; Goethite; Powder; Diffraction; Heavy; Metals; Water; Treatment;