HARD CAKE (+)
c. Emulsions
1. Test for creaming, cracking, phase separation, phase inversion
2. Electrophoretic analysis
3. Particle size number analysis
4. Gravitational and temperature stress tests
W/O
O/W
UV-Vis or
Ultraviolet-visible
spectroscopy
refers to absorption spectroscopy or reflectance spectroscopy in
the ultraviolet-visible spectral region.
UV-Vis