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Adsorption Isotherms of ortho ‐ and para ‐Water
Author(s) -
Tikhonov Vladimir I.,
Volkov Alexander A.
Publication year - 2006
Publication title -
chemphyschem
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 1.016
H-Index - 140
eISSN - 1439-7641
pISSN - 1439-4235
DOI - 10.1002/cphc.200500627
Subject(s) - adsorption , chemistry , thermodynamics , component (thermodynamics) , molecule , phase (matter) , volume (thermodynamics) , chromatography , organic chemistry , physics
Spin‐modifyied water : Adsorption isotherms are measured separately for ortho ‐ and para ‐water on a hydrophobic adsorbent (see picture; adsorbed molecules n O and n P as functions of partial pressures p O and p P ) . In a closed volume filled with adsorbent the equilibrium gas‐phase ortho : para ratio deviates noticeably from the statistical 3:1 in favor of the ortho component. Correspondingly, adsorbed water is formally para ‐enriched.

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