Table 3. Surfactants Studied in This Work.
| name | chemical formula | % activea |
|---|---|---|
| C13E3SO3 | C13H27-(EO)3-SO3Na | 72.3 |
| C13P2SO3 | C13H27-(PO)2-SO3Na | 71.6 |
| C13P3SO3 | C13H27-(PO)3-SO3Na | 71.2 |
| C13P4SO3 | C13H27-(PO)4-SO3Na | 69.5 |
| C16P3SO3 | C16H33-(PO)3-SO3Na | 70.9 |
% Active: the active surfactant content determined by the direct two-phase titration procedure.39