Cast Iron Crucible As A Cover/Lid for Graphite Crucible

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Avery

Member
Joined
Oct 6, 2020
Messages
24
So I’ve read enough to know that I shouldn’t used a cast iron crucible to melt gold in. My question is, would it be ok to use a cast iron crucible that is slightly larger than my graphite crucible (or maybe even a ceramic dish) to put over the graphite crucible and heat the cast iron from the top with a torch as well the graphite from the bottom with a different torch or could that possibly cause some type of reaction I would want to avoid?

And honestly, I’m thinking ahead here, I’m just concerned about potentially blowing gold out.
 
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