title: Automated adsorption isotherm device.
abstract: A device is described for the automated determination of the water adsorption isotherms of biological materials. The vapor pressure and weight of the adsorbate are measured directly with appropriate transducers, and equilibrium is defined on the basis of constant pressure. The accuracy of the device, determined on two samples with well-known water binding properties, is +/- 5%. Automation is achieved by electronic control.
mesh_terms: D000327:Adsorption; D001322:Autoanalysis; D001665:Binding Sites; D008722:Methods; D011312:Pressure; D014867:Water
chemical_list: D014867:Water