Johannes A. M. Awudza

Determination of Extractable and Bound Organochlorine in Sediment by Instrumental Neutron Activation Analysis

Samuel Afful, Johannes A. M. Awudza, Shiloh Osae, Michael Tawiah, Ellis Enimil, Beatrice Puplampu & Gladys Adjei Mantey · Chemical Science International Journal · 2020

Extractable organochlorine (EOC) and bound organochlorine (BOC) compositions in sediments from Lake Bosomtwi have been determined with instrumental neutron activation technique. Within the limit of experimental errors, the precision and accuracy of the method for the determinatio...

Open access Research Article 10.9734/CSJI/2020/v29i630183

Assessment of Heavy Metals and Proximate Analysis of Cocoa Beans from Selected Cocoa Growing Areas in Ghana

William Asante Nnuro, Daniel Amankwaah, Johannes A. M. Awudza & Samuel Afful · International Research Journal of Pure and Applied Chemistry · 2020

The levels of six selected heavy metals namely: lead (Pb), cadmium (Cd), copper (Cu), manganese (Mn), iron (Fe) and zinc (Zn) have been investigated in cocoa beans sampled from Bekwai, Juaso, Kaspen, Asampaneye and Asamakese, five major cocoa-growing communities in Ghana. Aqua re...

Open access Research Article 10.9734/irjpac/2020/v21i1430245