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Dynamic surface properties of aqueous Brij58 solutions at the air/water interface
| Content Provider | Semantic Scholar |
|---|---|
| Author | Li, Buqiang Joos, Paul Horozov, Tommy S. |
| Copyright Year | 1995 |
| Abstract | Abstract For surfactant Brij58, which exhibits the dynamic characteristic of slow diffusion-controlled adsorption at the air/water interface, the stress relaxation method was used to measure the Gibbs elastic modulus (e0) and the diffusion relaxation time (τd). Two other methods, the peak tensiometric method proposed recently by M. Van Uffelen and P. Joos and a strip method, were also used to obtain ∈ o τ D as a comparison. The three methods give consistent results. A discussion is presented of the description of the dynamic parameters by the Langmuir and Freundlich isotherms which fit the equilibrium surface tension concentration curve reasonably well. The Langmuir isotherm gives erroneous results for e0 and τd but the correct order of magnitude for ∈ o τ D . The Freundlich isotherm can better describe e0 and τd but gives a poorer result for ∈ o τ D than the Langmuir isotherm. |
| Starting Page | 85 |
| Ending Page | 91 |
| Page Count | 7 |
| File Format | PDF HTM / HTML |
| DOI | 10.1016/0927-7757(94)02960-Z |
| Alternate Webpage(s) | https://www.dce.uni-sofia.bg/files/publications/1995/1995-20-TH-PJ.pdf |
| Alternate Webpage(s) | https://doi.org/10.1016/0927-7757%2894%2902960-Z |
| Volume Number | 94 |
| Language | English |
| Access Restriction | Open |
| Content Type | Text |
| Resource Type | Article |
