How to recycle gold from cpu computer scrap. value of gold in cpu ceramic processors pins chip.

how to recover gold from CPU computers this is an old computer computer CPU is hidden under the this is CPU the pin of the CPU is a metal plated with gold connector of gold-plated circuit board [Music] this is another example of a computer we have this mantel I like to give you internal parts of the electrical equation I doubt the work of Technology there are many devices that are stored inside and of course it has what we see it's gold most technology uses gold to drive [Music] you connector a gold-plated circuit board [Music] [Music] most CPU computers are under the heatsink why a CPU computer needs a heatsink CPU computer is hot well want me to show it needs a heatsink this is CPU of course it has a gold-plated pin this is an old CPU computer 486 thousand three hundred eighty six Pentium Pro you will see the CPU computers are made of ceramic of course CPU computers made with ceramic have more gold than CPU general we will separate metals with gold remove preliminary with the use of nitric acid to reduce the amount of metal mixed with gold remove as much as possible before making gold aqua regia exulting I put the water two thousand milliliters [Music] nitric acid one thousand milliliters [Music] leave it for two weeks [Music] you will see the golden legs fall off in the water turns green do not worry nitric acid cannot dissolve gold you may see some people skip this step to make gold aqua regia dissolving I personally think that it contains too many other metals making gold aqua regia dissolving gold should have more than 60% both precipitation with sodium metabisulfite will have in the gold 99.99% if you have a better way please comments to be useful for all of you clean up before proceeding YouTube Archimedes channel thank you very much for all of you who are interested in our videos hope you liked our compilations please share it and subscribe watch also our other videos thank you [Music] you will see the pen of the CPU fall out cause of the nitric acid to dissolve the lead solder legs become water [Music] I like this time the yellow-gold after we have taken our raw materials are soaked with nitric acid it will help you evaluate will you get the gold I would like to say that nitric acid is a good gold sorter for gold alloys and gold-plated [Music] you see under the dye chip will have gold overlay we soaked in nitric acid for one month it will be separated [Music] the chemical consists of one part nitric acid in three parts hydrochloric acid when these two acids combined we get aqua regia after mixing acid let it stand for three to five minutes slowly pour the aqua kiya into the dry ingredients you need to be aware of the dangers of chemicals and use protective equipment acid resistant gloves gas masks [Music] acid resistant gloves gas masks [Music] goldwater filter to clean [Music] [Music] use Fozzie water spray to clean raw materials the chemicals used to precipitate gold or urea and sodium metabisulfite put the urea to a saturation point are stop dissolving urea reduces the acid that we put over urea is not a precipitate of gold the gold is precipitated well the acidity will be less urea will help you solve this problem if you do not put urea in case of acidity you have to force it with sodium metabisulfite it's wrong and need a lot but if you put the aqua regia in a quantity that fits the dissolution of gold the saturation point no need to enter urea [Music] gradually add sodium metabisulfite enter sodium metabisulfite stop melting your saturation then leave for about two to four hours let the gold sludge fall below slowly pour the water out the Hwang slides will flow with water [Music] then bring the gold sludge to clean the chemical three times hot water gold dust we use a hot air blower dried gold powder [Music] bring gold does to molten lumps [Music] we use induction heater and graphite crucible convenient quicken easy not gold [Music] bring gold powder into a graphite crucible [Music] [Music] [Music] [Music] [Music] this is the gold we received [Music] golde weight of 6.7 grams [Music] YouTube Archimedes Channel hope you liked our compilation please share it and subscribe watch also our other videos thank you very much [Music] [Music] [Music]

Channel: Archimedes Channel

Views: 14,635,493

Rating: 4.5804491 out of 5

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Id: AGR_NQbaaPI

Length: 15min 41sec (941 seconds)

Published: Sun Mar 25 2018