Semiequilibrium dialysis study of the solubilization of benzoate anion by aqueous hexadecylpyridinium chloride
- Ain Shams Univ., Cairo (Egypt) Univ. of Oklahoma, Norman (USA)
- Univ. of Oklahoma, Norman (USA)
Semiequilibrium dialysis (SED) measurements have been used to investigate the solubilization and binding of benzoate anion by micelles of the cationic surfactant hexadecylpyridinium chloride. The equilibrium results are correlated with an ion-binding model described previously, with an additional parameter introduced to account for the solubilization of benzoate at least partly within the micelles. The benzoate ions bind, as expected, as counterions to the positively charged micelles, and in addition, they appear to solubilize similarly to neutral phenols and aromatic carboxylic acids, with the polar group anchored in the head-group region of the micelles and the aromatic moiety extending into the hydrophobic micellar interior.
- OSTI ID:
- 6952000
- Journal Information:
- Journal of Physical Chemistry; (USA), Journal Name: Journal of Physical Chemistry; (USA) Vol. 93:15; ISSN 0022-3654; ISSN JPCHA
- Country of Publication:
- United States
- Language:
- English
Similar Records
Use of the semi-equilibrium dialysis method in studying the thermodynamics of solubilization of org nic compounds in surfactant micelles. system n-hexadecylpyridinium chloride-phenol-water
Substituent group effects on the solubilization of polar aromatic solutes (phenols, anilines, and benzaldehydes) by N-hexadecylpyridinium chloride
Related Subjects
400000* -- Chemistry
400200 -- Inorganic
Organic
& Physical Chemistry
AQUEOUS SOLUTIONS
BENZOYL RADICALS
DATA
DATA ANALYSIS
DIALYSIS
DISPERSIONS
EXPERIMENTAL DATA
FILTRATION
INFORMATION
MEASURING INSTRUMENTS
MEASURING METHODS
MICELLAR SYSTEMS
MIXTURES
NUMERICAL DATA
RADICALS
SEPARATION PROCESSES
SOLUTIONS
ULTRAFILTRATION