Hydrocolloid Flashcards
1
Q
What is in alginate?
A
CaSO4 (gypsum) Source of calcium for setting cross linking NaPO4 controls setting reaction Na/K salt of alginic acid Forms Sol with Water Set becomes crossed liked gel
2
Q
What is imbibition?
A
Addition of water
3
Q
What is syneresis?
A
Evaporation of water