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The saponification of α‐monostearin in a monolayer
Author(s) -
Jellinek H. H. G.,
Roberts M. H.
Publication year - 1951
Publication title -
journal of the science of food and agriculture
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.782
H-Index - 142
eISSN - 1097-0010
pISSN - 0022-5142
DOI - 10.1002/jsfa.2740020904
Subject(s) - saponification , monolayer , chemistry , monoglyceride , substrate (aquarium) , sodium hydroxide , organic chemistry , fatty acid , biochemistry , oceanography , geology
The saponification of α‐monostearin in a monolayer over a range of surface pressures and temperatures has been studied on a substrate of o‐IN‐sodium hydroxide. Pseudo‐unimolecular constants have been found for the range 13.5–21°C., but above 22°C. the reaction is retarded in its later stages. The results at the lower temperatures indicate that the soap remains in the monolayer and that the molecular areas of soap and monoglyceride are additive. The energy of activation of the monolayer reaction has been compared with that of saponification in bulk.