Published Leaching of lead from clinoptilolite at acidic conditions by Petrakakis Y., Mylona E., Georgantas D. and Grigoropoulou H.
Published Spectophotometric studies on the competitive adsorption of boric acid (b(iii)) and chromate (cr(vi)) onto iron (oxy) hydroxide (fe(o)oh) by Demetriou A. and Pashalidis I.