Hey guys i have a question i hope someone can help with my last batch of silver i refined useing nitric acid and i think there may be some nickel in it still after refineing with nitric my question is. Is there any way the nickel can be removed without haveing to start the batch over? Its in metal form approx a kilo in weighr i really dont want to have to waste a bunch more nitric if i dont have to any imput would be greatly appreciated