L10
What are the two phases for emulsions?
Internal phase(dispersed phase) and external phase(continuous phase)
What part of the surfactant is water soluble?
Head
0-20
Most pharmaceutical emulsions are W/O or O/W?
O/W
Is mayonnaise a instrument?
No mayonnaise is not an instrument
What type of emulsion would improve the taste of oral drugs?
O/W
What is emulsification? What is need though
a third phase and emulsifier
If HLB Value=HLB Requirement==>__________
Good performance
What is the most important factor that determines the type of an emulsion?
Emulsifying agent
What is Dunn's name for Rad
Brad
What is the size of droplets that are emulsions
0.1-10um
What type of emulsion is sorbitan oleate?
W/O
Increase the interfacial area then increase in what?
increase in interfacial energy
What is an Amphiphilic molecule?
Contain Hydrophilic group and lipophilic group
What day of the week can the boys be fruity?
Fruity Friday
What four disadvantages things can happen with emulsions?
Breaking
Creaming
Flocculation
Coalescence
What are examples of surfactants? the ones he has bolded
emulsifier
Flocculating agent
Wetting agent
What emulsifiers that have assigned HLB of 3-6?
W/O
The more lipophilic the surfactant then the lower the ____ number
HLB
Is it better to get a prostate exam from a man or women as a man?
Women hands smaller
What are the classifications of dispersed system?
Molecular
Colloidal
coarse
Nonionic surfactants are commonly used for ______ because of their low irritation/ toxicity
oral and parenteral formulations
Determine the HLB value of a blend comprising 70% of TWEEN 80 (HLB=15) and 30% of SPAN 80 (HLB=4.3) What is the total?
11.8
Two or more emulsifiers may be combined in emulsifier blends in order to achieve a proper _____ value
HLB
What would cause Peyton to break up with a girl that is taller than him?
If she puts me on the counter