the extraction of gold from acid pc boards

how to recover gold from electronic scrap - goldnscrap goldnscrap

in this tutorial we will learn how to recover the gold plating from gold plated this process is also useful for whole boards assuming components and the fingers are then covered with hydrochloric acid hcl 30-32 from this point on you can follow the steps shown in gold-n-scrap ceramic cpu's recovery tutorial

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how do i recover gold from circuit boards? reference com

place the gold-plated parts of the circuit board into a container add two parts hydrochloric acid and one part hydrogen peroxide which makes a weak 3 percent

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how to extract gold from computer circuit boards? - finishing

a the amount of gold you will get from 4 tons of circuit boards may not be worth the effort and cost there are at there are better ways of gold extraction other than cyanide i have the gold passes the acid test and ru tests magnetic

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how to extract the gold from computer circuit boards our pastimes

how to extract the gold from computer circuit boards use another glass container to mix hydrochloric acid and hydrogen peroxide in the proportion 2 to 1

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efficient and safer recovery of gold from electronic waste aiche

sep 2 efficient and safer recovery of gold from electronic waste printed circuit boards are first placed in a mild acid which dissolves all their metal

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salvaging gold from old electronics hackaday

nov 18 josehf has a great tutorial for gold recovery up on instructables for the after cutting up a few circuit boards to remove the precious gold-bearing parts this gold dust was separated from the acid by passing it through a

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how to remove gold from circuit boards 12 steps with pictures

two methods removing gold using nitric acidremoving gold using firecommunity q a ever noticed those shiny gold-colored parts on the circuit boards?

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how to extract gold from a circuit board - bang goes the theory

mar 27 how to extract gold from a circuit board - bang goes the theory - bbc ok let me share a few tidbits of knowledge here using nitric acid to

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here's how to rip apart a computer and melt the circuit boards for

aug 22 here's how to rip apart a computer and melt the circuit boards for gold so you can survive the next financial it's the modern day gold mining people sure you might melt your hand off with all that acid but gold! gold!

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leaching of gold and silver from printed circuit board of mobile phones

the first characterization of gold and silver was performed with aqua regia extracting gold and silver present in pcb's from mobile phones by leaching with

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how to extract gold from computer circuit boards? - finishing

a the amount of gold you will get from 4 tons of circuit boards may not be worth the effort and cost there are at there are better ways of gold extraction other than cyanide i have the gold passes the acid test and ru tests magnetic

Get Price

how to extract the gold from computer circuit boards our pastimes

how to extract the gold from computer circuit boards use another glass container to mix hydrochloric acid and hydrogen peroxide in the proportion 2 to 1

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gold recovery 8 steps with pictures - instructables

put the gold fingers and clean circuit boards in the coffee pot in another container mix two parts muriatic acid and one part hydrogen peroxide and add to the

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using acid and fire to get gold out of circuit boards mining com

aug 26 bbc science show bang goes the theory goes all out to extract gold from old circuit boards host jem stansfield uses acid and high heat to

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how to remove gold from circuit boards 12 steps with pictures

two methods removing gold using nitric acidremoving gold using firecommunity q a ever noticed those shiny gold-colored parts on the circuit boards?

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how to extract gold from electronics wired uk

mar 7 there's gold in them thar circuit boards -- laptops phones cameras and and although hydrochloric acid isn't usually found in the house the

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how to extract gold from electronics wired uk

mar 7 there's gold in them thar circuit boards -- laptops phones cameras and and although hydrochloric acid isn't usually found in the house the

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scientists find a new way to recover gold from mobile phones

aug 31 the method involves placing the circuit boards into mild acid to dissolve extracting gold from mobile phones is not a new phenomenon and

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using acid and fire to get gold out of circuit boards mining com

aug 26 bbc science show bang goes the theory goes all out to extract gold from old circuit boards host jem stansfield uses acid and high heat to

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watch the gold you can recycle from circuit boards pile up in

apr 10 scrappers who are using acids and strong chemicals to process and extract the gold from circuit boards and other electronic components

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recovery of gold from computer circuit board scrap using aqua regia

computer circuit board scrap was first treated with one part concentrated nitric acid and two parts water at 70 degrees c for 1 h this step dissolved the base

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here's how to rip apart a computer and melt the circuit boards for

aug 22 here's how to rip apart a computer and melt the circuit boards for gold so you can survive the next financial it's the modern day gold mining people sure you might melt your hand off with all that acid but gold! gold!

Get Price

sustainable technique recovers gold from e-waste cheaply - phys org

feb 3 we use one of the most mass-produced chemicals acetic acid at five per in this technique the gold extraction is done under very mild conditions metals like copper nickel iron and cobalt found in printed circuit boards

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scientists find a new way to recover gold from mobile phones

aug 31 the method involves placing the circuit boards into mild acid to dissolve extracting gold from mobile phones is not a new phenomenon and

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refining gold from circuit boards and electronic scrap with

introduction the acid used in this process is muriatic also known as hydrochloric acid this acid is corrosive see warning label on your bottle for this reason

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how to extract gold from a circuit board - bang goes the theory

mar 27 how to extract gold from a circuit board - bang goes the theory - bbc ok let me share a few tidbits of knowledge here using nitric acid to

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how to extract precious metals from computers techwalla com

mar 31 recovery of precious metals from computer scrap is a highly break off the gold fingers from all of the circuit boards carefully using a padded set of pliers mix sulfuric acid and hydrochloric acid in the crock pot carefully

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gold recovery 8 steps with pictures - instructables

put the gold fingers and clean circuit boards in the coffee pot in another container mix two parts muriatic acid and one part hydrogen peroxide and add to the

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simple method for extracting gold from electrical and electronic

methods ceramic and composite cpus of computer circuit boards were used removing the excess nitric acid extracting the gold washing and purifying the

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watch the gold you can recycle from circuit boards pile up in

apr 10 scrappers who are using acids and strong chemicals to process and extract the gold from circuit boards and other electronic components

Get Price