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Owltech

Well-known member
Joined
Sep 13, 2015
Messages
116
Gold showing its ugly face:
@ 9:28 in the video https://youtu.be/Sx-4ooJHv1Y
the ugly face of gold.jpg
the ugly face of gold2.jpg
 
I loved the 'flocculation' by boiling at the end. Really superb technique!. :G
 
Lou said:
Ripening is best term :)

Pedantics!
Hi Lou. My mind came up with this question (after watching Owltech's excellent videos for the Nth time): How much can the purity be enhanced by extended ripening?. Especially if, on purpose, the precipitation is kept incomplete at say 95% or 90% (by not adding enough oxalic acid, in this case), etc.
 
I really don’t know.

In general, incomplete Au precipitations yield finer purity gold.
 
Lou said:
I really don’t know.

In general, incomplete Au precipitation’s yield finer purity gold.

If you mean the first part of the gold drop then yep I'm with you on that.
 
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