Muriithi, N. T.1*, Karoki K. B.1 and Gachanja A. N.2
1Department of Chemistry, School of Pure and Applied Sciences, Kenyatta University, P. O. Box 43844 -00100, Nairobi, Kenya.
2Department of Chemistry, Faculty of Science, Jomo Kenyatta University of Agriculture and Technology,P. O. Box 62000-00200, Nairobi, Kenya.
Email: [email protected]