por | Jul 19, 2026
This listing includes: – (1) JSP 16 ounce bag of Gold Precipitant 16 ounces (1 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...
por | Jul 19, 2026
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por | Jul 19, 2026
Useful for grasping hot crucibles, flasks, beakers, or dishes. 24″ Long Crucible Tongs Features.
por | Jul 18, 2026
• 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.
