Summary
Theoretically derived isotherms for monolayer and multilayer adsorption are used to interpret some earlier published experimental data. A satisfactory agreement is found in nearly all cases. To check the validity of the theoretical constant b it is plotted versus l/√T and this results in a straight-line dependence as it is foreseen by the theory. The b values found for the adsorption of n-butane on glass spheres are used to calculate the average settling times τ L at different temperatures and subsequently τ 0(L) which is estimated to be ∼ 10−13 sec. It seems that the constant b is quasi-independent of the adsorbent properties which permits to obtain a characteristic plot for nitrogen isotherms.
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Jovanović, D.S. Physical adsorption of gases. Kolloid-Z.u.Z.Polymere 235, 1214–1225 (1969). https://doi.org/10.1007/BF01542531
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DOI: https://doi.org/10.1007/BF01542531