Tue February 01, 2011 By: Arun Iyer

What is the easy way to know the difference between Silicones ,Silicates and Zeolites ?

Expert Reply
Tue February 01, 2011

Dear Student

Silicate is the general term given to solids with silicon-oxygen bonds.

The silicates are complex network solids having silicate ion (SiO4)4- as the basic structural unit. 

Silicate is made up of silicon, oxygen, and other elements (metals) such as aluminium, etc. Silicon is made up of different compounds. Basically, the difference is that silicon is one of the elements that makes up silicates but silicates is made up of silicon and many other elements.

Zeolites are microporous aluminosilicates of general formula Mx/n[AlO2]x[SiO2].mH2O and may be considered as open structures of silica in which aluminium has been substituted in a fraction x / (x+y) of the tetrahedral sites.

Silicones are polymeric compounds containing Si-O-Si linkages. These have the general formula (R2SiO)n. These may be linear cyclic or cross-linked. 

We hope that clarifies your query.




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