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Micellar behavior of neodymium soaps in methanol
Author(s) -
Mehrotra K. N.,
Shukla R. K.,
Chauhan Mithlesh
Publication year - 1990
Publication title -
journal of applied polymer science
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.575
H-Index - 166
eISSN - 1097-4628
pISSN - 0021-8995
DOI - 10.1002/app.1990.070390812
Subject(s) - neodymium , methanol , chemistry , valerate , dissociation constant , solvent , electrolyte , dissociation (chemistry) , critical micelle concentration , thermodynamics , micelle , butyrate , organic chemistry , aqueous solution , laser , biochemistry , physics , receptor , electrode , fermentation , optics
Neodymium butyrate, valerate, and caproate behave as simple electrolytes in dilute solutions and the CMC was found to decrease with increasing chain length of fatty acid constituent of the soap molecule. The CMC, degree of dissociation, and dissociation constant of neodymium soaps in methanol have been determined by conductometric measurements. The viscosity results have been explained on the basis of the equations proposed by Einstein, Vand, Moulik, and Jones and Dole. The values of the molar volume calculated by Einstein's and Vand's equations are in agreement with each other.

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