Page 69 - Statistics presented by Dr. Sara Ismail Aborass
P. 69
9/8/2023
Ex: hydrolysis of urea
Urea in water undergo hydrolysis giving hydroxyl
ions act as precipitating agent (for precipitation of
group IIIA)
135
2)Digestion
Digestion means standing the ppt for sometime in
presence of the mother liquor to allow
coagulation. The individual particles agglomerate
to share a common counter ion layer allowing
coagulation and cement together.
136
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