GB/T 21650.3-2011 Active National standards

GB/T 21650.3-2011 Pore size distribution and porosity of solid materials by mercury porosimetry and gas adsorption—Part 3:Analysis of micropores by gas adsorption

Publish Date: 2011-06-16 Implement Date: 2012-03-01 For services related to genuine standard inquiry, procurement, translation, and other related services in China, please Contact Us

Basic Information

Standard Code: GB/T 21650.3-2011

Standard Type: National standards

Standard Status: Active

is_force_gb: no

CCS Name: Screening, sieve plates, and sieve nets

ICS Name: Granularity analysis and sieving

Publish Date: 2011-06-16

Implement Date: 2012-03-01

Pages: 25 pages

Scope

This part of GB/T 21650 specifies the method for determining the micropore volume and specific surface area of microporous materials by low-temperature gas adsorption [1]~[7].
This part is applicable to the isotherms of Type I, Type II, Type IV, or Type VI as classified by IUPAC (see Figure 1 in GB/T 21650.2-2008 and ISO 9277:1995). It is not applicable to chemical adsorption or absorption.