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HERO ID
8702659
Reference Type
Journal Article
Title
Infrared spectra of aluminum soaps and soap-hydrocarbon gels
Author(s)
Scott, FA; Goldenson, J; Wiberley, SE; Bauer, WH
Year
1954
Is Peer Reviewed?
1
Journal
Journal of Physical Chemistry
ISSN:
0022-3654
Volume
58
Issue
1
Page Numbers
61-64
Language
English
DOI
10.1021/j150511a015
URL
https://www.scopus.com/inward/record.uri?eid=2-s2.0-33947469306&doi=10.1021%2fj150511a015&partnerID=40&md5=3655ed174c384e924ee4db3a9174b8ab
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Abstract
Comparison of the infrared spectra of aluminum hydroxylaurate and aluminum deuteroxylaurate, and the spectra of aluminum hydroxy-2-ethyl-hexanoate and aluminum deuteroxy-2-ethyl-hexanoate showed that absorption at 2.7 μ in aluminum hydroxy soaps, ascribed to free OH, is replaced by absorption at 3.67 μ in aluminum deuteroxy soaps, the spectra of soaps of the corresponding acid being otherwise similar. Absorption at 10.14μ in aluminum soaps was shifted to 10.24μ for gallium laurate and to 10.31μ for indium laurate. The spectra were otherwise similar, except for small shifts in the 6.33μ absorption band of aluminum soaps. Absorption at 10.14μ in aluminum soaps was ascribed to the aluminum-oxygen linkage. When infrared absorption at 2.7μ is shown by aluminum soaps, it occurs also in the aluminum soap-cyclohexane gels, indicating that gelation is independent of bonded hydroxyl. Intensity of absorption at 10.14μ for a series of gels of constant concentration of aluminum dilaurate in benzene was found to decrease with the amount of added m-cresol, showing that modification of the bond in aluminum soaps causing absorption at 10.14μ is associated with loss in viscosity of gels caused by cresols.
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