Abstract
Reverse osmosis was used for the separation of various types of heteropolyanions (HPA): [PW11O39M(H2O)]k− (M = CoII, FeIII, CrIII), [(PW11O39Fe)2O]10− , and [PW11O39 · Fe n O x H y ]p− from contaminant ions NO3 − and Na+ that are usually introduced into the solution in the synthesis of HPA.
References
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Translated fromIzvestiya Akodemii Nauk. Seriya Khimicheskaya, No. 4, pp. 1009–1011, April, 1996.
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Semin, G.L., Kuznetsova, L.I., Detusheva, L.G. et al. Membrane separation of ions for the preparation of pure solutions of heteropolycompounds. Russ Chem Bull 45, 964–966 (1996). https://doi.org/10.1007/BF01431334
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DOI: https://doi.org/10.1007/BF01431334