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Item must be returned within 30 Days
Refund will be given as Money back or replacement (buyer's choice)
Brand JSP ®
MPN gt564
Country/Region of Manufacture United States

Check the listing for details. JSP ® Gold Precipitant 4 ozs. Condition: New. Listed at 9.77 USD. 4 ounces Sodium Metabisulfite,(Na2S2O5) 99% 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.

$7.82
$9.77