Ekwere, I. O., Horsfall, M. and Otaigbe, J. O. E. (2019) “A Study on the Photocatalytic Reduction of Some Metal Ions in Aqueous Solution Using UV- Titanium Dioxide System”, International Research Journal of Pure and Applied Chemistry, 18(2), pp. 1-7. doi: 10.9734/irjpac/2019/v18i230087.