October 2008

Development of a sensitive spectrophotometeric method for determination of copper

Simple and rapid spectrophotometeric procedure have been established for quantitation of Cu (II). This method is based on the reaction between  alizarin red S and boric acid in the solution of pH 8.5 to produce a red complex which place between organic and aqueous phases. In presence of Cu (II), the complex of alizarin red S and boric acid is dissociated and new complex between alizarin red S and metal ions formed...

Author(s): Homayon Ahmad Panahi, Meghdad Karimi, Elham Moniri and Hamidreza Soudi

October 2008

Impact assessment of effluent discharge on physico-chemical parameters and some heavy metal concentrations in surface water of River Challawa Kano, Nigeria

In order to understand bioavailability of heavy metals in water, surface water samples were collected from River Challawa, Nigeria, with the view of determining the effect of industrial effluents on the water quality of the river. The fractional concentration of heavy metals (Cd, Cr, Pb and Zn) in water were analysed using Atomic Absorption Spectrophotometer. The water samples were also analysed for...

Author(s): Wakawa, R. J., Uzairu, A., Kagbu, J. A. and Balarabe, M. L.