Simultaneous ultraviolet-visible (UV–VIS) spectrophotometric quantitative determination of Pb, Hg, Cd, As and Ni ions in aqueous solutions using cyanidin as a chromogenic reagent
C. O. B. Okoye, A. M. Chukwuneke, N. R. Ekere* and J. N. Ihedioha
Department of Pure and Industrial Chemistry, University of Nigeria, Nsukka. Nigeria.
Email: [email protected]
