-40%
JSP Gold Precipitant 8 oz Refining Test Acid Aqua Regia Metals SMB Pyrosulfite
$ 4.48
- Description
- Size Guide
Description
PRODUCT DETAILSThis listing includes:
- (1) JSP 8 ounce bag of Gold Precipitant
8 ounces (1/2 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.
A MUST-HAVE for anyone who invests in gold, silver, or platinum!
If you have any further questions, please feel free to contact us. We look forward to serving you in the future.