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Surface active anions in polar solvents: I. Conductometric studies on solutions of sodium decyl and dodecyl sulphate in water, N,N‐Dimethylformamide, and dimethyl sulfoxide
Author(s) -
Singh H. N.,
Singh S.,
Tewari K. C.
Publication year - 1975
Publication title -
journal of the american oil chemists' society
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.512
H-Index - 117
eISSN - 1558-9331
pISSN - 0003-021X
DOI - 10.1007/bf02637483
Subject(s) - chemistry , dimethyl sulfoxide , micelle , solvent , inorganic chemistry , dimethylformamide , sodium dodecyl sulfate , critical micelle concentration , hydrogen bond , sodium , aggregation number , aqueous solution , organic chemistry , molecule
Conductivity measurements of solutions of sodium decyl sulfate and sodium dodecyl sulfate were made in water, N,N‐dimethylformamide, and dimethyl sulf‐oxide at 25 C. Within the concentration range 1 to 100 millimoles, the surfactants were found to form micellar aggregates. The critical micelle concentration values were found to depend on the dielectric constant of the medium and also on the hydrogen bonding nature of the solvent. The role of hydrogen bonding nature of the solvent in micelle formation is discussed.