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Vapor adsorption measurement : Vapor adsorption


Automatic vapor adsorption measurement

For water and other vapor adsorption
To investigate water vapor sorption behavior of material is important both from scientific and industrial standpoint.Measuring water vapor isotherms gives a lot of information about sorption properties such as hydrophric and hydrophobic property of particle surface. But It is difficult and laborious.



The BELSORP-aqua3 makes it possible to obtain not only water but other vapor adsorption isotherms with simple operation. The unique and the longest years of experiences result in the technology.
This is the powerful tool for the researcher in the pharmaceutical, food industry, material science and other field.


Measurement principle Volumetric gas adsorption method
Adsorptive H2O, MeOH, EtOH, C6H6 and other non-corrosive vapor
Analysis port 3 ports
Measurement temperature 10oC-70oC(accuracy: +/ - 0.1oC)
Pressure transducer 13.3kPa (10Torr)    0.5% of R.   4 units
Air circulation chamber 80oC
Sample cell Approx. 1.8cm3 (Option: 5 cm3)
Physical W540 x H710 x D470 mm, 80 kg
(Not includes vacuum pump, computer and its peripheral)
Power Single phase: AC100-120V or 200-240V / 1500VA
(500VA is for vacuum pump)


  • Up to 3 samples can be measured simultaneously.
  • Not only water but also other non-corrosive vapor such as MeOH, EtOH and benzene can be used as an adsorptive.
  • Compact size.
  • Fully automated and simple operation by dedicated software.

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