Abstract
IN the course of a study of the water sorption of aluminium soaps, Shreve, Pomeroy and Mysels1 found that pure aluminium laurate which had been dried in vacuo over phosphorus pentoxide at room temperature gave 2·5 ± 0·4 per cent of water when examined with the Karl Fischer reagent. They maintained, consequently, that the reagent gives misleading results because, under the conditions of the determination, soap molecules react with each other, or with free acid, to give water, thus:
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References
Shreve, Pomeroy and Mysels, J. Phys. Coll. Chem., 51, 963 (1947).
Schulman and McRoberts, Nature, 162, 101 (1948).
Marion and Thomas, J. Colloid Science, 1, 221 (1946).
Bryant, Mitchell, Smith and Ashby, J. Amer. Chem. Soc., 63, 2924 (1941).
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PARRY, G., TAYLOR, A. Structure of Aluminium Soaps. Nature 164, 449 (1949). https://doi.org/10.1038/164449a0
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DOI: https://doi.org/10.1038/164449a0
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