This standard specifies the test method for the specific surface area of petroleum refining catalysts. This standard is applicable to the determination of the specific surface area of micro-meso and pore structure catalytic cracking catalysts, mesoporous structure distillate hydrotreating catalysts and catalytic reforming catalysts by static nitrogen adsorption capacity method. Other catalysts with similar structures are also suitable.
GB/T 38691-2020 Referenced Document
GB/T 21650.2 Pore size distribution and porosity of solid materials by mercury porosimetry and gas adsorption.Part 2: Analysis of mesopores and macropores by gas adsorption
GB/T 6678 General principles for sampling chemical products
GB/T 6679 General rules for sampling solid chemical products
GB/T 38691-2020 history
2020GB/T 38691-2020 Testing method for specific surface area of petroleum refining catalysts