Hi , I hope u can help me so I dissolve all my gold recovery(from chips ,ram ,pin...) in nitric and hcl after I put some urea for neutralize nitric no reaction happened,I think that's happened because I did wash to much the filters with water after that I put too much smb I didn't see any thing in the barème so how I can take out the gold from solutions ( the solution green color) , please if there is any solution I can get back the gold let me know , thanks advance .