Suspention Flashcards
1
Q
Sparingly soluble drugs or undissolved in liquid preperation
A
Suspentions
2
Q
Minimum digree of solubility and fine particles
A
Suspentions
3
Q
Desired feutres in suspention
A
Effciency and stabillity Settle slowly Constant particle size Pourable Free from gritty texture
4
Q
What do we change mostly for physical stability
A
Dispersed phase
5
Q
Why we should not reduce the particle size too much
A
Because they form a compact cake upon settling
6
Q
Suspention partcle size
A
1-50micro meter
7
Q
Wetting agent examples
A
Alcohol/glycerine/pro glycol
8
Q
Why do we mix aluminum hydroxide with sodium bicarbonate
A
Because aluminume hydroxide cause instapation but sodium bicarbonate cause diarrhea so they counter each othr
9
Q
Palmitate chloramphenicol resons to use in suspentions
A
1-insouluble
2-flavorless
3-no need for masking agent