Table 3. Assay of carbendazim microemulsion formulations.
Oil/SAA/H2O | Appearance | Freezingexperiment | Lowtemperaturestability | Heatstoragestability | Cloud point (°C) |
1/4/5 | Transparent,Tyndall effect | Froze, recoveredupon thawing | Transparent, noprecipitate | Transparent | 72 |
1/3/4 | Bluish transparent,Tyndall effect | Did not freeze, lowviscosity | Transparent, noprecipitate | Transparent | >90 |
2/5/3 | Bluish transparent,Tyndall effect | Did not freeze butbecame turbid | Precipitate | Transparent | >90 |
2/3/3 | Transparent,Tyndall effect | Turbidity andcrystallization observed | Precipitate | Transparent | >90 |