Abstract
The kinetics of removal of thin films of pure radioactive tristearin from a stainless-steel surface by .03M NaOH was studied in a circulation system. The data obtained are consistent with the presence of two species of tristearin, each species being removed simultaneously by a first-order process and behaving independently of the other. The principal evidence for the existence of the two species is the excellent agreement of the experimental data with the mathematical techniques of kinetics over a wide range of experimental conditions. Rate constants for the removal of each species and the relative proportions of the two species are given for different experimental conditions. It is shown that the difference between the two species must be based on some physical factor, and possible explanations are discussed. The presence of two species gives a satisfactory explanation for hitherto unexplained results of other workers.
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Bourne, M.C., Jennings, W.G. Kinetic studies of detergency. I. Analysis of cleaning curves. J Amer Oil Chem Soc 40, 517–523 (1963). https://doi.org/10.1007/BF02822456
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DOI: https://doi.org/10.1007/BF02822456