mesopore

in catalysis
https://doi.org/10.1351/goldbook.M03853
Pore of intermediate size. [Those with widths exceeding about 0.05 μm or 50 nm (500 A˚) are called macropores; those with widths not exceeding about 2 nm (20 A˚) are called micropores].
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 585 [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 79 [Terms] [Paper]
Citation: 'mesopore' in IUPAC Compendium of Chemical Terminology, 5th ed. International Union of Pure and Applied Chemistry; 2025. Online version 5.0.0, 2025. https://doi.org/10.1351/goldbook.M03853 RIS BibTex EndNote
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