• Ideal for scrap gold refining and e-waste recovery. • scrap gold refining. • aqua regia refining processes. • hobby and professional gold refining. During the gold refining process.
Gold Precipitant 16 oz Refining Test Acid Aqua Regia Metals SMB Pyrosulfite
• Used to precipitate dissolved gold from aqua regia solutions. • aqua regia refining processes. When added to a prepared refining solution, SMB releases sulfur dioxide which causes dissolved gold to fall out of solution as fine gold powder.
GTE Gold Precipitant 8 oz Refining Test Acid Aqua Regia Metals SMB Pyrosulfite
• Used to precipitate dissolved gold from aqua regia solutions. • aqua regia refining processes. When added to a prepared refining solution, SMB releases sulfur dioxide which causes dissolved gold to fall out of solution as fine gold powder.
JSP Gold Precipitant 8 oz Refining Test Acid Aqua Regia Metals SMB Pyrosulfite
This listing includes: – (1) JSP 8 ounce bag of Gold Precipitant 8 ounces (1/2 lb) Sodium Metabisulfite, 99% (Na2S2O5) pure food/photo grade. Also known as SMB, Pyrosulfite, and Disodium. Used in gold refining as a gold precipitant. To be used as a gold precipitant for aqua regia. Use 1 oz of SMB mixed in 20-30 ml of water per ounce of metal in the aqua regia solution to precipitate the gold. A MUST-HAVE for anyone who invests in gold, silver, or platinum!