Comment on “Equilibrium sorption isotherm studies of Cd(II), Pb(II) and Zn (II) ions detoxification from waste water using unmodified and EDTA-modified maize husk”

the citing and using of correct version of mathematical equations are of great importance in the writing of a scientific paper. this paper presents the possible errors related to dubinin-radushkevich equation in an article by igwe and abia (2007) which was published in electronic journal of biotechnology, 10(4); 536-548.