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7501221 
Journal Article 
The system ammonia + carbon dioxide + ammonium carbamate: Part I. - The equilibrium of thermal dissociation of ammonium carbamate 
Bennett, RN; Ritchie, PD; Roxburgh, D; Thomson, J 
1953 
Transactions of the Faraday Society
ISSN: 0014-7672 
49 
925-929 
English 
The dissociation pressure of solid ammonium carbamate has been measured over the temperature range 24-63° C, and an equation derived for the relationship between temperature and dissociation pressure. The heat of dissociation, heat of fusion, equilibrium constant, and free energy of dissociation at various temperatures have been evaluated.