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网络研讨会: 吸附评价基础

Various functional materials (porous and non-porous) are used in many fields such as environment, energy, pharmaceuticals, and aerospace industries. Therefore, characterization of these materials is essential. In particular, specific surface area and pore size distribution by gas adsorption method are one of the most important data for material development.

In this seminar, we will explain the necessity of adsorption evaluation for each application, outline of adsorption measurement, and analysis method using adsorption measurement based on JIS (z-8830, 8831-2-, 3) and ISO, and provide the correct measurement and analysis method with explanation of terminology for beginners.

Topics

Part 2: Nitrogen adsorption isotherm measurement and BET specific surface area evaluation

  • What can we learn from adsorption isotherm measurement? Measurement method, etc. (Review of previous article)
  • BET specific surface area (Type II/Type IV adsorption isotherm)
  • Difference between multi-point and single-point methods
  • Surface area reproducibility by advanced free space measurement (AFSM)
  • Reference: Low specific surface area

网络研讨会记录

语言 : 日文