The equilibrium penetration of monolayers. II. The octadecanol/hexadecyl-trimethyl-ammonium bromide system

McGregor M.A. and Barnes G.T. (1976) The equilibrium penetration of monolayers. II. The octadecanol/hexadecyl-trimethyl-ammonium bromide system. Journal of Colloid And Interface Science, 54 3: 439-446. doi:10.1016/0021-9797(76)90324-6


Author McGregor M.A.
Barnes G.T.
Title The equilibrium penetration of monolayers. II. The octadecanol/hexadecyl-trimethyl-ammonium bromide system
Journal name Journal of Colloid And Interface Science   Check publisher's open access policy
ISSN 0021-9797
Publication date 1976-01-01
Sub-type Article (original research)
DOI 10.1016/0021-9797(76)90324-6
Volume 54
Issue 3
Start page 439
End page 446
Total pages 8
Subject 1505 Marketing
1606 Political Science
3110 Surfaces and Interfaces
Abstract Equilibrium surface pressure-area isotherms of octadecanol monolayers have been measured on substrates containing various concentrations of hexadecyl-trimethyl-ammonium bromide (CTAB), and from these isotherms the saturation adsorptions of CTAB for various surface concentrations of octadecanol have been calculated. Plotting of these adsorptions against the reciprocal of the area per octadecanol molecule, as required for the accessible area theory, reveals two linear segments corresponding to penetration at high monolayer areas and low monolayer areas. At high areas, adsorption into the accessible areas of the surface is similar to adsorption at a monolayer-free surface, while at low areas adsorption is determined by the size of the surfactant ion.
Q-Index Code C1
Q-Index Status Provisional Code
Institutional Status Unknown

Document type: Journal Article
Sub-type: Article (original research)
Collection: Scopus Import - Archived
 
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Created: Tue, 23 Aug 2016, 11:14:41 EST by System User