3020 new version of physical adsorption instrument
1. Main technical indicators
BET specific surface area, Langmuir surface area.
BJH pore size distribution, DR micropore area.
Total pore volume, average pore size.
T-plot method: micropore surface area, mesopore surface area, micropore volume, correlation coefficient.
Micropore size distribution: MP, HK, SF.
2. Basic configuration supporting the principle of "static volume method" isothermal adsorption:
Equipped with a sample tube insulation sleeve to ensure that the liquid level of various cold baths such as liquid nitrogen, liquid argon and ice water is constant, to ensure the accuracy of dead volume calibration.
Equipped with 1 analysis station, 2 degassing stations and 1 cold trap station, and the degassing station and the analysis station are equipped with independent vacuum systems.
The temperature control and vacuum control of the degassing station and analysis station are fully automatic. The instrument panel has no control buttons.
Specific surface area: 0.01m2 / g without upper limit; pore size analysis range: 0.35 nm-500 nm.
Vacuum system: The instrument is equipped with a two-stage rotary vane vacuum pump, the ultimate vacuum degree is 1.6 * 10-5Pa, and the cold trap station is used with the vacuum system to ensure a higher vacuum degree.
Liquid nitrogen system: Dewar is more than 1.6 liters, no need to add liquid nitrogen within 24 hours to ensure that no liquid nitrogen needs to be added during the analysis.
Air inlet: 3, so that it is not necessary to change the gas circuit when performing different gas analysis.
Degassing temperature: room temperature-350 oC (the degassing station is controlled by fully automatic computer)
3. Packing list:
Equipped with 10 quartz sample tubes, 4 insulation sleeves, 10 sintered filters, 4 cold-diameter tubes, 2 Dewar flasks, 5 steel tube joints, 10 meters of connecting tubes, 4 sampling funnels, 1 standard , 2 bottles of vacuum pump oil, 2 weighing trays, 1 kit.
4. The main purpose
Study the specific surface area of ​​various materials;
Study the mesopore porosity distribution and area of ​​various materials;
Study the micropore porosity distribution and area of ​​various materials;
Study the pore structure types of various materials
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