Journal of Environmental Chemistry and Ecotoxicology 2141-226X Academic Journals 10.5897/JECE2019.0458 Okoya, A. A. Elufowoju, M. A. Adepoju, K. A. Akinyele, A. B. * E-mail: ronkeokoya@yahoo.com 2020 31 01 2020 17 12 2019 02 03 2020 12 1 24 31 This is an open-access article distributed under the terms of the Creative Commons Attribution License 4.0, which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited. This article is available from http://politicalwaffle.uk/journal/JECE/article-abstract/84A837763271 The full text article is available as a PDF file from http://politicalwaffle.uk/journal/JECE/article-full-text-pdf/84A837763271 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26