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BELSORP MAX G

BELSORP MAX G

BELSORP MAX G is a new range of powerful, compact and economical models in the BELSORP MAX series by Microtrac MRB. Its special feature is the measurement of gas adsorption isotherms starting from extremely low pressures for the evaluation of micro-, meso- and macroporous materials, as well as non-porous materials. This instrument is equipped with one measurement port, one dedicated port for saturated vapor pressure measurement and one port for free space measurement. Each port is equipped with a dedicated pressure sensor for high-precision measurements. The BELSORP MAX G surface area & pore size distribution analyzer is capable of measuring various materials such as pellets, molded bodies, substrates, and finely dispersed samples using special-purpose sample tubes. Additonally, it is possible to mount a sample tube with an outer diameter of 9 mm or more on the measurement port. The BELSORP MAX G supports a wide range of adsorbates and measurement conditions.

Features

  • BET specific surface area and pore size distribution from micro- to meso- and macropores by highly reproducible adsorption isotherm from extremely low pressure
  • Analysis of N2, Ar, H2, O2, CH4 and non-corrosive gases
  • Capable of ultra-micropore evaluation through CO2 adsorption
  • Low specific surface area measurement via Kr adsorption at 77.4K
  • Measures various adsorption rates
  • Gas and NET adsorption measurement via AFSMTM2, without the need for He gas
  • Highly reproducible BET specific surface area and pore size distribution evaluation from extremely low pressure
  • Low BET specific surface area by Kr gas measurement at 77.4K
  • Porosity from micro- to meso- and macropores by gas adsorption measurement of N2, Ar, CO2 and more
  • High performance PSD analysis by GCMC & NLDFT with the BELMASTER 7 software
  • Actual and short-time evaluation for each adsorption point by Gas Dosing Optimization (GDO) function
  • Gas and NET adsorption measurement via AFSMTM2, without the need for He gas
  • Optional vacuum gauge to monitor ultimate vacuum degree
  • IoT: Process monitoring via e-mail notification system

    • Technical Data



    Measurement principle Volumetric method + AFSM™
    Adsorption gas N2, Ar, Kr, CO2, H2, CH4, butane, and other non-corrosive gases
    Gas ports 2 ports (5 ports max.)
    Number of measurements 1 port in High Accuracy mode
    Measurement range (specific surface) 0.01 m2/g and above (N2)
    0.0005 m2/g and above (Kr)
    (depending on sample density)
    Pore size distribution (Diameter) 0.35 - 500 nm
    Low pressure isotherm p/p0 = 10^-8
    (N2 @77K, Ar @87K)
    Pressure transducer 133 kPa (1000 Torr) x 3 units
    1.33 kPa (10 Torr) x 1 units
    0.0133 kPa (0.1 Torr) x 1 unit
    Vacuum gage / pump Turbo molecular pump + rotary pump
    Cold cathode gauge (optional)
    Sample tube Standard tube, approx. 1.8 cm3 (optional: 5 cm3)
    Dewar vessel Volume: 2.6 l
    Holding time: 80 h
    Pretreatment heater 50 - 450°C
    Water bath -10 - 70°C
    Analysis software BELMaster™ 7 Adsorption isotherm, BET specific surface area I type (ISO9277), BETautomatical analysis, Langmuir supecific surface area, BJH, DH, CI, INNES method, t-plot, Alpha-s plot
    Analysis software BELMaster™ 7 cont. HK, SF, CY method, NLDFT / GCMC (OP BELSim™), MP method, Dubinin-Astakhov method, Difference adsorption isotherm, Molecular probe, Adsorption rate analysis (opt.)
    Dimensions (W x H x D 320 x 740 x 465 mm
    Weight (main body) 36Kg
    Utility - Gas He, adsorption gas: 0.1MPa (G), purity: more than 99.999%
    Joint: 1/8" Swagelok joint
    Utility - Power Main unit: AC 100 - 240 V / 850 W, 50 / 60 Hz (including vacuum pump)
    Environmental conditions Temperature: 10 - 30°C
    Humidity: 20 - 80% RH
    CE certified Yes

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