A new classification of pore sizes

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A new classification of pore sizes is proposed which is consistent with the SI prefixes in contrast to the current IUPAC scheme. The new scheme is compared to the IUPAC scheme. The new scheme distinguishes between nanopores, micropores, and millipores, while the IUPAC scheme defines micropores, mesopores, and macropores. The nanopores, micropores, and millipores are further subdivided into sub-, inter-, and super categories. The pore size ranges of all these classes of solids are given. [on SciFinder (R)]
Original languageEnglish
Pages (from-to)57-62
Number of pages6
JournalStudies in Surface Science and Catalysis
Issue numberCharacterization of Porous Solids VII
Publication statusPublished - 2007


  • Pore size (classification of pore sizes)
  • pore size classification
  • Classification


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