JSP Gold Precipitant 16 oz Refining Test Acid Aqua Regia Metals SMB Pyrosulfite

PRODUCT DETAILS 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 precip...

Price: 19.49 from Bonanza Global