Table 2.
Formulation (oil:surfactant) | pH | Transmittance percentage (%) | Separation percentage (%) |
---|---|---|---|
A (1:1) | 3.02 ± 0.01 | 0.12 ± 0.02 | 20.35 ± 0.12 |
B (1:2) | 3.31 ± 0.03 | 0.37 ± 0.04 | 18.55 ± 0.11 |
C (1:3) | 3.41 ± 0.01 | 0.65 ± 0.01 | 18.98 ± 0.20 |
D (1:4) | 3.64 ± 0.02 | 1.04 ± 0.02∗ | 12.71 ± 0.14∗ |
Data presented as mean (n = 3) ± standard deviation (SD). ∗ Indicate statistical significance (p < 0.05). Kruskal Wallis test, Infostat, 2011.