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Samuel Afful

Publications (4)

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

Persistent Organochlorine Compounds in the Water and Sediment Samples from the Lake Bosomtwe in Ghana

Samuel Afful, Johannes A.M. Awudza, Shiloh Osae & Stevester K. Twumasi · Chemical Science International Journal · 2013

Aims: To investigate the burden of organochlorine pesticides (OCPs) and its degradation products as well as indicator polychlorinated biphenyl (PCBs) in the water and sediments. Study Design: This investigation involved one year monitoring of the Lake. Place and Duration of Study...

Open access Research Article 10.9734/ACSJ/2013/3913

Organochlorine Pesticide Residue Levels in Parts of Watermelon Grown in the Ada-West District of Greater Accra Region, Ghana and Its Related Human Health Risks

Samuel Kofi Agbeve, Ebenezer Ato Ewusie, Samuel Afful & Simon Sovoe · Chemical Science International Journal · 2020

The study involved the use of soxhlet apparatus and CP-3800 Gas Chromatograph equipped with a 63Ni electron capture detector to investigate the presence and levels of organochlorine pesticide (OCP) residues in sampled parts of watermelon. The study revealed the presence of fiftee...

Open access Research Article 10.9734/CSJI/2020/v29i730194

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