Home / Standards / GB/T 21650.3-2011 GB/T 21650.3-2011 Active Pore size distribution and porosity of solid materials by mercury porosimetry and gas adsorption - Part3: Analysis of micropores by gas adsorption 压汞法和气体吸附法测定固体材料孔径分布和孔隙度 第3部分：气体吸附法分析微孔 Standard Type GBT ICS N/A CCS A28 Status 现行 Issue Date 2011-06-16 Implementation 2012-03-01 Responsible Dept 国家标准委 Drafting Unit 国家标准委