Abstract
The thermodynamic characteristics of proton exchange in SO3H groups of a sulfonated network polymer based on cis-tetraphenylmetacyclophanoctol for Na+, Cu2+ cations from aqueous solutions were considered for the first time. Microcalorimetric measurements of the heat effects of Na+-H+ and Cu2+-H+ exchanges were performed, equilibrium compositions of polymer and solution were determined. The changes of Gibbs energy, enthalpy and entropy of ion exchange were calculated.
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Al’tshuler, H.N., Ostapova, E.V., Sapozhnikova, L.A. et al. Thermodynamics of ion exchange in a sulfonated polymer based on cis-tetraphenylmetacyclophanoctol. J Therm Anal Calorim 92, 665–669 (2008). https://doi.org/10.1007/s10973-008-9011-5
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DOI: https://doi.org/10.1007/s10973-008-9011-5