Free and Bound Water in Elastic and Non-Elastic Gels

Nature of Bound Water in Colloidal Systems

“…The first consisted of vapor pressure measurements made by a highly sensitive static vapor pressure apparatus described in a previous paper (5). Gelatin was selected as a typical hydrophilic colloid upon which much data has been secured (3,16,20,21,22,23,29,32,35,42,46,50,58,65). Potassium chloride was selected as a reference solute since its vapor pressure in true solution has been shown to behave in a regular manner over the range of concentrations to be studied (14); furthermore its combination with gelatin (50) …”

The Heat Content of Water Sorbed on Cellulose

“…It has been shown by various investigators ( 66,67 ) that bound water on gelatin and egg albumin frequently shows no tendency to freeze down to -25°C.…”

Unfrozen Water in Apple Shoots as Related to Their Winter Hardiness

“…JONES and GORTNER (24) found that the time to reach a water-ice equilibrium in gels varied with the concentration and the temperature of exposure. At temperatures near the freezing point the rate of reaching equilibrium was slower than at colder temperatures.…”