Abstract
A gas adsorption calorimeter has been remodelled for use in studies of water vapor sorption on biological materials.
Major modifications on a sorption vessel and a water vapor delivery system were made on a commercially available calorimeter. The time constant of the calorimeter response is 2min and the heat effect sensitivity is about 0.12μV/μW.
Test experiments which include electrical calibration and measurements of water vapor sorption on potato starch indicate that the calorimeter is available for studies on the physical properties of water in biological materials.