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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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.