gdnaiudu
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e waste precious metal refining
Dear sir . Fine metal refining by aquaregia process the photo attachment color received give a suggestion for pricipitating gold
 
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TmNhRhMgBrSe
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Registered: 4-7-2019
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Sodium metabisulphite.
Go youtube, search sreetips, watch his vids. He has a bunch of gold refining vids.
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gdnaiudu
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Posts: 2
Registered: 2-8-2019
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DEar all, after filtration of brow precipitate washing with hot water as shown attachment out put ur suggestion could help me come to an
conclusion of refining it
Attachment: drive-download-20190803T065200Z-001.zip (1.1MB)
This file has been downloaded 323 times
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