Table 1.
Model parameters for the surfactants obtained with the Frumkin adsorption model using the drop experiments
| Surfactant | ω 0, 105 m2 mol−1 | b, 103 m3 mol−1 | a | ε, 10−3 m mN−1 | D, 10−10 m2 s−1 |
|---|---|---|---|---|---|
| SDS | 2.9 | 0.0003 | 1.2 | 5 | – |
| SDS + NaCl | 2.8 | 0.025 | 1.0 | 5 | – |
| C10OH | 2.1 | 0.049 | 1.2 | 3 | – |
| C11DMPO | 3.6 | 0.14 | 0.7 | 5 | 3.0 |
| C10EO8 | 4.0 | 0.35 | 0.2 | 9 | 3.0 |
| CTAB in buffer | 3.6 | 0.40 | 0.6 | 9 | – |
| Tween 20 | 2.5 | 0.83 | 0.6 | 5 | – |
| C13DMPO | 3.1 | 1.71 | 0.4 | 5 | 3.5 |
| Tr-45 | 3.8 | 2.65 | 0.66 | 5 | 3.0 |
| C12EO5 | 3.5 | 16.0 | −0.9 | 5 | 3.8 |
| Tr-100 | 3.9 | 32.8 | −2.7 | 8 | 4.0 |
| C14EO8 | 3.0 | 90.0 | −4.7 | 6 | 2.0 |
| Inositol | 3.2 | 158.0 | 1.6 | 11 | 0.4 |