Conclusions
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1.
The isotherms of the low-temperature adsorption of nitrogen and argon on crystalline NaX zeolite, the volume of the adsorption space of which varied from 0.20 to 0.32 cm3/g as a result of its filling with preadsorbed water, were studied.
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2.
Within this interval of fillings of the volumes of the adsorption space, the molar volumes of adsorbed nitrogen and argon remain constant.
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3.
The results obtained for NaX zeolite as a model microporous adsorbent are discussed from the standpoint of the theory of volume filling of microporous adsorbents in the adsorption of gases and vapors.
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M. M. Dubinin and E. F. Polstyanov, Izv. AN SSSR, Ser. Khim.,1966, 793.
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M. M. Dubinin, S. P. Zhdanov, E. G. Zhukovskaya, K. O. Murdmaa, E. F. Polstyanov, I. E. Sakavov, and N. A. Shishakov, Izv. AN SSSR, Ser. Khim.,1964, 1573.
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Translated from Izvestiya Akademii Nauk SSSR, Seriya Khimicheskaya, No. 5, pp. 802–807, May, 1966.
The authors would like to thank S. P. Zhdanov for providing the NaX zeolite for investigation.
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Dubinin, M.M., Zhukovskaya, E.G. Investigation of the adsorption properties and secondary porous structure of adsorbents exhibiting molecular sieve action Communication 13. Nature of the filling of the primary porous structure of dehydrated zeolite crystals in the adsorption of vapors. Russ Chem Bull 15, 768–772 (1966). https://doi.org/10.1007/BF00849368
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DOI: https://doi.org/10.1007/BF00849368