-40%
JSP® Gold Precipitant 16 ozs (gt560)

JSP® Gold Precipitant 16 ozs (gt560)

$ 5.99

Availability: 53 in stock
  • Brand: JSP®
  • MPN: gt560
  • Refund will be given as: Money back or replacement (buyer's choice)
  • Item must be returned within: 30 Days
  • Return shipping will be paid by: Buyer
  • Country/Region of Manufacture: United States
  • All returns accepted: Returns Accepted
  • Condition: New

    Description

    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 of metal in the aqua regia solution to precipitate the gold.