gdnaiudu - 2-8-2019 at 07:59
Dear sir . Fine metal refining by aquaregia process the photo attachment color received give a suggestion for pricipitating gold
TmNhRhMgBrSe - 2-8-2019 at 08:36
Sodium metabisulphite.
Go youtube, search sreetips, watch his vids. He has a bunch of gold refining vids.
gdnaiudu - 2-8-2019 at 22:56
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 276 times