A B.E.T.-like three sorption stage isotherm
The statistical B.E.T.-treatment of multimolecular sorption is extended to include three distinct sorption stages, viz. (I) the strongly sorbed monolayer, (II) the following h-1 layers, much less strongly sorbed, and (III) the remaining layers, up to infinity, of 'pure liquid' characterist...
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1989
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| LEADER | 06818caa a22007217a 4500 | ||
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| 001 | PAPER-643 | ||
| 003 | AR-BaUEN | ||
| 005 | 20230518202959.0 | ||
| 008 | 190411s1989 xx ||||fo|||| 00| 0 eng|d | ||
| 024 | 7 | |2 scopus |a 2-s2.0-37049074769 | |
| 040 | |a Scopus |b spa |c AR-BaUEN |d AR-BaUEN | ||
| 100 | 1 | |a Timmermann, E.O. | |
| 245 | 1 | 2 | |a A B.E.T.-like three sorption stage isotherm |
| 260 | |c 1989 | ||
| 270 | 1 | 0 | |m Timmermann, E.O.; Departamento de Quimica Inorgánica, Facultad de Ciencias Exactas y Naturales, Universidad de Buenos Aires, Nuñez, (1428) Buenos Aires, Argentina |
| 506 | |2 openaire |e Política editorial | ||
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| 504 | |a (1980) Water in Polymers, , ed. S. P. Rowland, Am. Chem. Soc. Symposium Series No. 127, Am. Chem. Society, Washington D.C | ||
| 504 | |a Timmermann, E.O., Proc. 3Rd. Int. Meeting on Polymer Science and Technology, pp. 100-105. , 9-13th Nov. 1981, La Plata, Argentina | ||
| 504 | |a Hill, T.L., (1956) Statistical Mechanics, , McGraw-Hill, New York | ||
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| 504 | |a , p. 200. , Ref. 7, and fig. 10 and 14; Harkins, J.W., Jura, G., (1944) J. Am. Chem. Soc., 66, p. 919. , fig. 5 | ||
| 504 | |a Ref. 5(a), fig. 1; Whalen, J.W., (1961) J. Phys. Chem., 65, p. 1676 | ||
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| 504 | |a Ref. 12, table 1 and fig. 1; Robinson, R.H., Stokes, R.H., (1959) Electrolyte Solutions, p. 477. , Butterworth, London, App. 8.4, and App. 8.11, p. 510 | ||
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| 504 | |a Ref. 16, table 1 and fig. 1; Zettlemoyer, A.C., Micale, F.J., Klier, K., (1975) Water, a Comprehensive Treatise, 5. , ed. F. FranksPlenum Press, New York, chap. 5 | ||
| 520 | 3 | |a The statistical B.E.T.-treatment of multimolecular sorption is extended to include three distinct sorption stages, viz. (I) the strongly sorbed monolayer, (II) the following h-1 layers, much less strongly sorbed, and (III) the remaining layers, up to infinity, of 'pure liquid' characteristics. The new three sorption stages (t.s.s.) isotherm embodies the classical two-parameter B.E.T. equation [stages 1(h = 1)-III] as well as the three-parameter Guggenheim-Anderson-De Boer (G.A.B.) equation [stages I-II (h = ∞)]. The t.s.s. isotherm, which necessarily uses a fourth parameter, retains the mathematical form of the older isotherms with two correction functions determined by the new constant h (extension of stages I and II), functions which become important only at high relative activities of the sorbate. The sorption stage III is evidenced by experimental data in this region: here the G.A.B. isotherm demands that the inverse of the mass sorbed per unit mass of sorbent should be linear in p/p°, while experimentally a deviation downwards is found, which is explained by the t.s.s. isotherm. The four parameters, determined by versatile, easy to apply, graphical methods, show a certain correlation with the type of interactions characterizing the experimental systems. With longer ranged interactions the extent of the sorption stage II increases from h = 8-15 (gas/solids) to h = 15-20 (water/biopolymers) and to h = 20-25 (water/electrolytes-polyelectrolytes). The applicability range of the t.s.s. isotherm extends up to at least p/p° = 0.95. |l eng | |
| 593 | |a Departamento de Quimica Inorgánica, Facultad de Ciencias Exactas y Naturales, Universidad de Buenos Aires, Nuñez, (1428) Buenos Aires, Argentina | ||
| 773 | 0 | |d 1989 |g v. 85 |h pp. 1631-1645 |k n. 7 |x 03009599 |w (AR-BaUEN)CENRE-78 |t Journal of the Chemical Society, Faraday Transactions 1: Physical Chemistry in Condensed Phases | |
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| 856 | 4 | 0 | |u https://doi.org/10.1039/F19898501631 |y DOI |
| 856 | 4 | 0 | |u https://hdl.handle.net/20.500.12110/paper_03009599_v85_n7_p1631_Timmermann |y Handle |
| 856 | 4 | 0 | |u https://bibliotecadigital.exactas.uba.ar/collection/paper/document/paper_03009599_v85_n7_p1631_Timmermann |y Registro en la Biblioteca Digital |
| 961 | |a paper_03009599_v85_n7_p1631_Timmermann |b paper |c PE | ||
| 962 | |a info:eu-repo/semantics/article |a info:ar-repo/semantics/artículo |b info:eu-repo/semantics/publishedVersion | ||
| 999 | |c 61596 | ||