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Measurement of the moisture storage capacity using sorption balance and pressure extractors

Janz, M., Johannesson , B. F.
2001
Journal of Thermal Envelope and Building Science, Vol. 24, No. 4, 316-334


Janz, M., Johannesson , B. F., (2001), "Measurement of the moisture storage capacity using sorption balance and pressure extractors", Journal of Thermal Envelope and Building Science, Vol. 24, No. 4, 316-334.
Abstract:
This paper presents measurements of the moisture storage capacity for several different porous building materials. The storage capacity is measured by a sorption balance in the hygroscopic range and with pressure plate and pressure membrane extractors in the superhygroscopic range. The results are presented both as retention curves and sorption isotherms and indicate, among other things, that some materials have a large hysteresis between absorption and desorption in the superhygroscopic range. This is contrary to what sometimes has been postulated.

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Author Information and Other Publications Notes
Janz, M.
Lund University Dissertation Abstracts, Faculty of Technology, Department of Building and Environmental Technology, Division of Building Materials M?rten Janz Swedish Cement and Concrete Research Institute, SE-10044 Stockholm, Sweden.
  1. Methods of measuring the moisture diffusivity at high moisture levels
  2. Moisture transport and fixation in porous materials at high moisture levels
  3. Technique for measuring moisture storage capacity at high moisture levels
  4. Test of Four Different Experimental Methods to Determine Sorption Isotherms  



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