Uncertainty in pore size distribution derived from adsorption isotherms: I. Classical methods

S. Hadi Madani, Alexander Badalyan, Mark J. Biggs, Phillip Pendleton

Research output: Contribution to journalArticle

9 Citations (Scopus)

Abstract

Procedures for propagation of uncertainty in pore size distribution calculation based on classical methods for both micro and mesoporous materials are described. Uncertainty in experimental adsorption isotherm data and uncertainty in temperature are introduced as the main sources for uncertainty in height and position of peaks of PSD determined via classical mesopore size distribution determination method. Uncertainty in PSD derived from classical micropore size distribution methods mainly arises from uncertainty in experimental isotherm data. Calculation step size is shown to have some effects on magnitude of uncertainty in micropore calculation. Micropore size distribution calculations are also highly sensitive to the adsorptive molecular diameter.

Original languageEnglish
Pages (from-to)210-216
Number of pages7
JournalMicroporous and Mesoporous Materials
Volume214
DOIs
Publication statusPublished - 15 Sep 2015

Keywords

  • Adsorption
  • Pore size distribution
  • Porous solids
  • Uncertainty

ASJC Scopus subject areas

  • Chemistry(all)
  • Materials Science(all)
  • Condensed Matter Physics
  • Mechanics of Materials

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