How to Use Bleach on Gold Ore to Remove Gold | Sciencing
Apr 24, 2017#0183;#32;Allow four hours for the gold to dissolve, stirring every 20 minutes. The chlorine reacts with the gold inside the ore to form gold chloride. Filter the ore and bleach solution to remove all the impurities, such as soil and rock fragments. Collect the filtered gold chloride solution in a flask.