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In chemistry }}}

  • #1
How we can separate TeO2 from SiO2 ? :redface: :frown:
 

Answers and Replies

  • #2
chemisttree
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The specific gravity of TeO2 is 5.9. Alpha quartz is the densest form of silica and has a SG of 2.648.

Try using bromoform (SG 2.88). Silica will float and TeO2 will sink.
 
  • #3
The specific gravity of TeO2 is 5.9. Alpha quartz is the densest form of silica and has a SG of 2.648.

Try using bromoform (SG 2.88). Silica will float and TeO2 will sink.
what about using HCl

TeO2 dissolves in HCl

but SiO2 not

?????:frown: :redface: :frown:
 
  • #4
chemisttree
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If you want to make TeCl4, try HCL.
 

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