Abstract
Adsorption isotherms of ammonia and nitrogen on cellulose acetate in the temperature range 303–333 K are measured by reversed-phase chromatography. It is established that ammonia specifically interacts with the polymer matrix of the sorbent. The experimental data are described in terms of the Laatikainen-Lindstrom quasi-chemical model of vapor sorption. The enthalpies of sorption are determined, and their dependences on the ammonia and nitrogen concentrations in the sorbent are established.
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Original Russian Text © I.V. Vorotyntsev, P.N. Drozdov, G.M. Mochalov, N.N. Smirnova, S.S. Suvorov, 2006, published in Zhurnal Fizicheskoi Khimii, 2006, Vol. 80, No. 12, pp. 2264–2267.
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Vorotyntsev, I.V., Drozdov, P.N., Mochalov, G.M. et al. Sorption of ammonia and nitrogen on cellulose acetate. Russ. J. Phys. Chem. 80, 2020–2023 (2006). https://doi.org/10.1134/S0036024406120259
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DOI: https://doi.org/10.1134/S0036024406120259