Table 5.
Toxicity values and MTU parameters of surfactants mixtures (1:1 w/w) to bacteria P. Putida (exposure time 16 h).
| Surfactant A | Surfactant B |
EC50, P. putida mgL−1 (95% CI) |
TUA | TUB | TUmix | TUr | Type of Action |
|---|---|---|---|---|---|---|---|
| EC-R8E8 | EC-R12–14E10 | 414.71 ± 18.33 | 0.47 | 0.56 | 1.03 | 1.83 | Concentration addition |
| EC-R8E8 | AO-Cocoamido | 461.74 ± 22.15 | 0.52 | 0.74 | 1.26 | 1.70 | Less than additive (antagonism) |
| AO-R12 | AO-Cocoamido | 210.98 ± 11.49 | 1.13 | 0.34 | 1.47 | 1.30 | Less than additive (antagonism) |
| AO-R14 | AO-Cocoamido | 41.89 ± 3.87 | 0.73 | 0.07 | 0.79 | 1.09 | Response addition |