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Thermodynamics of cation exchange on natural heulandite

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Microcalorimetric measurements were carried out on the heat effects of ion exchange in a system containing natural heulandite and aqueous solutions of pairs of electrolytes at 303.15 K. The electrolytes studied were NaCl, KCl, RbCl, CsCl, and NH 4 Cl. The ion exchange enthalpy decreases in the cation series: Na+ > NH4 + > K+ > Rb+ > Cs+.

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Literature cited

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    G. N. Al'tshuler and G. Yu. Shkurenko,Izv. Akad. Nauk, Ser. Khim., No. 7, 1474 (1990).

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    G. N. Al'tshuler and G. Yu. Shkurenko,Izv. Sib. Otd. Akad. Nauk, Ser. Khim. Nauk, No. 5, Issue 2, 121 (1985).

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    G. V. Tsitsishvili, T. G. Andronikashvili, G. N. Kirov, and L. D. Filizova,Natural Zeolites [in Russian], Khimiya, Moscow (1985).

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    D. N. Breck,Zeolite Molecular Sieves: Structure, Chemistry, and Use, Wiley-Interscience, New York (1974).

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Additional information

Institute of the Chemistry of Carbon Materials, Siberian Branch, Russian Academy of Sciences, 650099 Kemerovo. Translated from Izvestiya Akademii Nauk, Seriya Khimicheskaya, No. 3, pp. 754–756, March, 1992.

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Al'tshuler, G.N., Shkurenko, G.Y. Thermodynamics of cation exchange on natural heulandite. Russ Chem Bull 41, 592–593 (1992). https://doi.org/10.1007/BF00863095

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  • cation exchange
  • alkali metals
  • ammonium
  • natural heulandite
  • thermodynamics