por | Jul 26, 2026
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 precipitant for aqua regia. Use 1 oz of SMB mixed in 20-30 ml of water per ounce...
por | Jul 24, 2026
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 precipitant for aqua regia. Use 1 oz of SMB mixed in 20-30 ml of water per ounce...
por | Jul 19, 2026
Dissolve gold from scrap jewelry, electronics, and other gold-bearing materials with GTE Aqua Regia. GTE Aqua Regia – 8 OZ Gold Refining Chemical. • Supports aqua regia refining process. • Type: Gold refining chemical (aqua regia component).
por | Jul 19, 2026
GTE Aqua Regia – 1 LB Gold Refining Chemical. Dissolve gold from scrap jewelry, electronics, and other gold-bearing materials with GTE Aqua Regia. • Supports aqua regia refining process. • Type: Gold refining chemical (aqua regia component).
por | Jul 19, 2026
Dissolve gold from scrap jewelry, electronics, and other gold-bearing materials with GTE Aqua Regia. GTE Aqua Regia – 1 LB Gold Refining Chemical. • Supports aqua regia refining process. • Type: Gold refining chemical (aqua regia component).
