micropore volume

in catalysis
https://doi.org/10.1351/goldbook.M03908
Conventionally measured by the volume of the adsorbed material which completely fills the @[email protected] expressed in terms of bulk liquid at atmospheric pressure and at the temperature of measurement.
Sources:
PAC, 1972, 31, 577. (Manual of Symbols and Terminology for Physicochemical Quantities and Units, Appendix II: Definitions, Terminology and Symbols in Colloid and Surface Chemistry) on page 588 [Terms] [Paper]
PAC, 1976, 46, 71. (Manual of Symbols and Terminology for Physicochemical Quantities and Units - Appendix II. Definitions, Terminology and Symbols in Colloid and Surface Chemistry. Part II: Heterogeneous Catalysis) on page 76 [Terms] [Paper]