![]() ![]() Now at this point you have a possibly acidic mixture of sulfates, some chlorides and a little bit of gold in solution (depending on how you worked possibly other contaminates or base metals), and you wish to try and recover the gold. (Which you do not get (SO2 gas with a reaction from a sulfate salt in a solution of gold).īasically a little bisulfate in your gold solution would do no harm it could act similar to sulfuric acid precipitating lead as a sulfate, it would just stay in solution with your gold, not really reacting.īut adding large amounts of any chemical is not a good thing, especially if it not the chemical you needed to add to get the gold to precipitate. It is basically this sulfur dioxide gas that is a precipitant for gold from solution. Here is an equation of hydrochloric acid HCL and sodium sulfite Na2SO3, the products from this reaction is sodium chloride salt NaCl and sulfur dioxide gas SO2 (g) in a solution of water H2O. We can use sodium sulfite Na2SO3 to precipitate gold from a gold chloride solution AuCl3. Now to the question, sodium bisulfate will not precipitate gold from solution. Several of the metal chloride will react in a similar manner. Sodium bisulfate NaHSO4, can be made with a chloride salt like NaCl and sulfuric acid, here again we get HCl in solution, which can be distilled off from the sodium bisulfate solution. Unless distilled to gas of the HCl gas and condensing it (there really would not be a reaction, as both of the above products would just be in solution together. Sodium bisulfate NaHSO4and sodium chloride NaCl (table salt), can form hydrochloric acid HCl in a solution of sodium sulfate Na2SO4. Sodium bisulfate NaHSO4, can act similar to sulfuric acid in many chemical reactions, it can give up it hydrogen fairly easy, thus forming sodium sulfate in solution Na2SO4, a sodium salt of sulfuric acid. Thanks for any information that can help me out Is my solution now no good if the Bisulfate cant be used to precipitate. For instance at a grocery store?Īlso one last question. Is there anything else that can be used to precipitate the gold that can be found easily. Also the closest home brew store to me is too far of a drive. I have found plenty of places online to get it. If I can't, where can I find the sodium bisulfite? I am looking for a brick and mortar store that has it.preferably a chain store that is in every city. So my question is, can I use this Sodium Bisulfate, and if I can, what reactions i would expect and how long it would take to get the desired reaction. Only then did I pay attention to the spelling. I used this to try to get the gold to precipitate and the reactions I expected did not happen. Where I live pool supply stores are abundant and i got some Sodium Bisulfate for the process not paying much attention to the one letter difference. I rinsed them, cleaned them, then dissolved them in HCL-CL. I used the AP method to remove the foils from my scrap, and this worked out nice. I am not a chemist, and i was wondering if the Bisulfate can be used instead of Bisulfite to do this process? I have a question about precipitating gold.
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