GEL PHENOMENA Flashcards
1
Q
GEL PHENOMENA
A
Thixotropy
Imbibition
Swelling
Syneresis
2
Q
is a reversible sol-gel/gel-sol formation w/ no charge in volume or temperature, a type of non-newtonian flow.
A
Thixotropy
3
Q
Gel takes up the liquid but there is no increase in size and volume
A
Imbibition
4
Q
Gel takes up the liquid but there is increase in volume
A
Swelling
5
Q
Liquid medium is squeezed out from the gel & the gel shrinks forming a xerogel
A
Syneresis
6
Q
Instability of preparations resulting to the expulsion of the liquid from the gel
A
Syneresis
7
Q
When the liquid come out of the gel & only the framework remains
A
Xerogel
8
Q
Example of Xerogels
A
Gelatin Sheets
Tragacanth Ribbons
Acacia Tears
