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[Music] have you ever thought of the idea of extracting gold from old mobile phones a bag of used mobile phones contains gram of gold because its a great conductor of electricity [Music] this car has decided to recover gold used in mobile phones both mobile phones had gold connectors inside for transmitting digital data fast and accurately there are 0.034 grams of gold in each sulfur thats equivalent of 0.001 try ounces worth about 1.82 at todays price [Music] he has separated various parts of the phone and began to extract gold with the help of sulfuric acid and pour off the liquid [Music] he has made a mixture of nitric acid and water in a 101 ratio [Music] this mixture will be used in stripping away the remaining metals make sure to carefully wash the residue with hot water he will carefully place the lead alloy of precious metals in a crucible and add sink and a suitable flux he can use cyanide of potash as a flux it will take up any oxygen that may be present it doesnt make a
