4 & ) * 5 / +) ..... "blocNs" of the same monomer units, covalently bound to sequences of .... polyacrylate based superabsorbent used to slowdown ammonia emission .... ions adsorption capacity was Cu2+, Pb2+, Cd2+, Zn2+, Ni2+ in descending ... Gonin and Serin [82] studied the removal of Ni(II) ions from waste water by ...