Recuperación y separación electrolítica de ORO
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58:26
Refinación de Paladio, Oro y Plata aleados con Estaño, Plomo y Cobre
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20:30
Oro de 117 gramos de chips BGA
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19:28
CPU Heatsinks Gold Recovery | Electrolytic Method | Gold Recovery
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24:03
Interruptores giratorios interiores de oro blanco "ПГ"
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12:50
GOLD RECOVERY with SALT and VINEGAR!
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54:59
Building an Electrolytic Copper Refining Cell to Collect Gold and Precious Metals
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17:46
Como fundir ORO en casa y REFINAR ( how to melt gold at home )
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24:53