Table 3 Qualitative grading for emulsion
From: Development and optimization of Ropinirole loaded self-nanoemulsifying tablets
Appearance of emulsion | Grade |
|---|---|
Forms rapidly (< 1 min) with clear or slightly bluish appearance | A |
Forms rapidly (< 1 min) with a less clear and bluish-white appearance | B |
Forms within 2 min (but more than 1 min) with bright white appearance | C |
Takes more than 2 min with dull, grayish-white emulsion, oily appearance | D |
Poor emulsification, large oil droplets on the surface | E |