Your Gold Recovery Kit Includes... 500g bottle of Sodium Metabisulfite NC10319. 500g bottle of Urea NC2620. Sodium metabisulfite is commonly used to precipitate dissolved gold out of aqua regia and gold chloride solutions. When it is dissolved into water, sulfur dioxide gas is created which is excellent at precipitating gold from the solution.
If you want to learn about our products , please call or write mail consultation.