Talk:Copper(II) sulfate pentahydrate
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Dehydration[edit]
Melting at 150 C is that in a closed system where dehydration water is not lost? The text goes on to mention final loss of water at 200 C and the main article on copper sulfate mentions decomposition at 650 C (or was it 600?). — Preceding unsigned comment added by 150.227.15.253 (talk) 12:26, 11 October 2011 (UTC)
- The melting point is applicable to both open and closed systems. The pentahydrate is completely dehydrated above 200 degrees to the anhydrate. The anhydrate is stable up to 650 degrees, above which it gradually decomposes. Plasmic Physics (talk) 12:50, 11 October 2011 (UTC)