| Return shipping will be paid by | Buyer |
|---|---|
| All returns accepted | Returns Accepted |
| Item must be returned within | 30 Days |
| Refund will be given as | Money back or replacement (buyer's choice) |
| Brand | JSP ® |
| MPN | gt568 |
| Country/Region of Manufacture | United States |
Check the listing for details. Gold Precipitant 8 ozs. Condition: New. Listed at 8.35 USD. 8 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.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.
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