Observations sur l'action détersive des solutions de savon

Spring, W. Bull. soc. belg. chim. (1910), 24, 17-54; SciFinder (Chemical Abstracts Service: Columbus, OH); https://scifinder.cas.org (accessed July 8, 2010).

cf. C. A., 3, 1,599, 1613. The theories of soap solns. up to the present time, including one of his own previously outlined. Further work shows that Fe2O3, acts similarly to Cu in forming colloidal combinations, and in combining to produce an acid and a basic soap. Soap forms with Fe2O3 a more stable combination than Fe2O3 forms with various solids, particularly with cellulose. It is found that 3.10 mol. Fe2O3 are pptd. by 1 mol. soap when the hydrosol of FeO3H3 and soap 3 are used. Soap agglutinates the hydrosol of alumina as it does Fe. The rapidity in both cases depends upon the proportions of material mixed as well as on other factors not yet so well defined. Solns. of soap with H3SiO3, clay and cellulose behave as lampblack. The experiments show that the detergent action of soap solns. is due to the formation of a combination of adsorption with the material to be removed, the combination having lost to a great extent the adhesive power possessed by the materials before their combination.

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