Premium
Heat Capacities of Clay and Clay‐Water Mixtures
Author(s) -
Oster J. D.,
Low Philip F.
Publication year - 1964
Publication title -
soil science society of america journal
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.836
H-Index - 168
eISSN - 1435-0661
pISSN - 0361-5995
DOI - 10.2136/sssaj1964.03615995002800050011x
Subject(s) - calorimeter (particle physics) , chemistry , specific heat , heat capacity , clay minerals , water content , clay soil , thermodynamics , mineralogy , soil water , geology , soil science , geotechnical engineering , physics , detector , electrical engineering , engineering
Heat capacities of mixtures of several homoionic clays with different amounts of water were determined with a Bunsen ice calorimeter. The specific heats of the clays were also determined by the same technique. From the results, the apparent specific heats of the water are calculable. In addition, the partial specific heat of the water associated with each clay at each of several water contents was determined by plotting the heat capacity of the mixture against the water content (in grams of water per gram of clay) and taking the slope of the resulting line at the desired water content. In all cases, the apparent specific heat and the partial specific heat of the water were > 1.0 at low water contents (< 1.0 gram water per gram of clay). At higher water contents the values of these quantities approached unity. The results were interpreted in terms of the contribution of H‐bonding to the specific heat of the water.