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GB/T 21650.3-2011 Active
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
Abstract
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.
General Product Information
| Document Type | National standards |
|---|---|
| Standard Status | Active |
| Standard Code | GB/T 21650.3-2011 |
| CCS | Screening, sieve plates, and sieve nets |
| ICS | Granularity analysis and sieving |
| Implement Date | 2012-03-01 |
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