Thank you.
Yes i put the entire ram boards with hcl and h2o2.
Could you tell me how sensitive is stannous chloride.
Could i détect 0.1 gram of gold per liter of solution.
Hi, for the cementation, does anyone know the relation between gold and copper.
If i have 50g of gold in gold chloride how much copper do i need To displace the gold.
Thank you very much for your help.