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Thermodynamic parameters for the protonation of AsO43− and for the interaction with Mg2+, Ca2+ and Sr2+ were reported, comprehensive also of their dependence on ionic strength, considering the 0.1 ≤ I ≤ 1 M range and using NaCl as background salt. The same speciation models were obtained for Mg2+, Ca2+ and Sr2+ systems, with the formation of three different species: ML, MLH and MLH2 (L = AsO43−)....
The speciation of Al3+ in aqueous solutions containing organic and inorganic ligands important from a biological (citrate (Cit3−), gluconate (Gluc-), lactate (Lac-), silicate (H2SiO42−), carbonate (CO32−), fluoride (F−)) and industrial (Gantrez®; polymethyl-vinyl-ether-co-maleic acids; GTZ S95 and GTZ AN169) point of view is reported. The stability constants of Al3+/Lz− complexes (Lz− = ligand with...
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