Effect of selected oils and co-surfactants on zeta potential.
Oil | Surfactant | Co-surfactant | Formulation code | Zeta potential |
---|---|---|---|---|
Clove oil | Tween 80 | PEG-400 | ClNE1 | −11.67 ± 1.021 |
PEG | ClNE2 | −12.93 ± 1.053 | ||
Carbitol | ClNE3 | −13.21 ± 1.038 | ||
Labrasol | ClNE4 | −13.99 ± 1.213 | ||
Coconut oil | Tween 80 | PEG-400 | CoNE1 | −13.51 ± 1.029 |
PEG | CoNE2 | −13.81 ± 1.091 | ||
Carbitol | CoNE3 | −14.01 ± 1.380 | ||
Olive oil | Tween 80 | PEG-400 | OlNE1 | −12.01 ± 1.031 |
PEG | OlNE2 | −13.09 ± 1.078 | ||
Carbitol | OlNE3 | −15.21 ± 1.071 |