The gold electrolysis unit is a device that uses electrolysis to purify crude gold with a gold content of more than 95% to 99.99%. It uses crude gold as anode, titanium sheet or pure gold as cathode, chloroauric acid solution as electrolyte, and DC/AC/DC superposition power supply to dissolve crude gold at the anode and precipitate pure gold at the cathode to achieve the purification effe...