Comments on factors influencing the removal of divalent cations by hydroxyapatite Discussion
AuthorsMilonjić, Slobodan K.
Contribution To Periodical
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Recently, Smicklas et al. [I. Smicklas, A. Onjia, S. Raicevic, Dj. Janackovic, M. Mitric, J. Hazard. Mater. 152 (2008) 876-884)] have reported on the effect of pH, contact time, initial metal concentration and presence of common competing cations on hydroxyapatite sorption properties towards Pb(2+), Cd(2+), Zn(2+) and Sr(2+) ions. However, application of some experimental procedures and methods, as well as the presentation and interpretation of some data is problematic or erroneous. (C) 2008 Elsevier B.V. All rights reserved.