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Author: Subject: fromation of Sno2 from sncl2
preeti
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[*] posted on 12-1-2007 at 22:27
fromation of Sno2 from sncl2

I have snCl2.2H2O. I wants to prepaered SnO2 powder from it.Plz give me any idea.
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kaviaari
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[*] posted on 12-1-2007 at 22:45


Make a solution out of it, pour in saturated sodium bicarb solution until no more carbon dioxide releases. Filterate the formed carbonate and calcinate it by heating it in crucible. Scaling this up might be not a very good idea but in small scale it works fine.

Or the other (easier) way round 2SnCl2+O2+2H2O --> 4HCl+2SnO2

[Edited on 13-1-2007 by kaviaari]



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