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how to extract gold using acetic acid and oxidant

  • Leach Gold using Hyposulphite Of Sodium AKA Thiosulfate Gold .

    Mar 19, 2017 . According to researchers, if gold leaf is treated for a time with sodium hyposulphite solutions of varying strengths,' solution takes place in every . any other acetate, such as acetate of soda or lime, is added, with perchloride or bromide of iron, the solution will turn dark red, the known reaction for acetic acid,.

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  • ELECTRONIC WASTE CAN EXTRACT GOLD WITH VINEGAR .

    Feb 10, 2016 . Electronic waste you can remove the ' gold with l ' vinegar. The trick is to use a solution of acetic acid and an oxidizing agent, that allows to dissolve gold in just 10 seconds and out of the circuit boards, leaving intact the copper components, nickel, iron and other metals. The technique can bring incredible.

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  • Hydrometallurgical Recovery of Metals from Large Printed Circuit .

    Sep 29, 2015 . Several studies have reported the use of nitric acid (HNO3), HCl, sulfuric acid (H2SO4) and aqua regia for the recovery of metals from waste PCBs. . Therefore, in the present study, five different acids, i.e., HCl, HNO3, H2SO4, acetic acid (C2H4O2) and citric acid (C6H8O7) were used as lixiviants for metal.

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  • Sustainable technique recovers gold from e waste cheaply Phys

    Feb 3, 2016 . "We use one of the most mass produced chemicals: acetic acid; at five per cent concentration it's plain table vinegar. We use a minute amount of an acid and an oxidant to finish our solution." The solution, he continued, is the greenest solvent next to water, so eliminates the vast number of environmental.

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  • Sciencemadness Discussion Board Concentrated Vinegar Technology .

    These guys at the University of Saskatchewan claim to be able to strip only gold in 10 20 seconds using vinegar, an unnamed oxidant, another acid, and . thanks i read all the posts on the other thread but none of the methods they used could remove the gold in 10 20 seconds like in the video that's the.

    get price>>
  • Green Gold Extraction . Mining & Energy

    Water mixed with chemicals was deemed the best route for extracting these miniscule amounts of gold because it is economically feasible, and water is abundant. We tried to move away . When they added tiny amounts of an acid and an oxidant to their acetic acid, the system successfully acts in literally seconds. We were.

    get price>>
  • Formation of Acetic Acid by AqueousPhase Oxidation of Ethanol .

    Jun 22, 2006 . Abstract. original image. Wine into vinegar: It is possible to selectively oxidize ethanol into acetic acid in aqueous solution with air as the oxidant and a heterogeneous gold catalyst (see TEM image of supported gold particles) at temperatures of about 423 K and O2 pressures of 0.6 MPa. This reaction.

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  • Researchers Discover Solution to Extract Gold from Electronic Waste

    Jan 29, 2016 . The team from U of S have invented a technique, mixing acetic acid with very small amounts of another acid and an oxidant. This solution extracts gold efficiently, and without the environmental issues of current practices in the industry. The gold extraction is done under mild conditions, and the solutions.

    get price>>
  • How To Recover Gold From Computer Scrap With Salt And Vinegar .

    Oct 10, 2015 . Using white vinegar, sea salt, and hydrogen peroxide to recover gold foils from scrap computer circuit card fingers. Then bleach to dissolve and vitamin C to precipitate. Please note that I paid about 4 times over what the fingers are worth so that I could do this experiment and make this video.

    get price>>
  • ELECTRONIC WASTE CAN EXTRACT GOLD WITH VINEGAR .

    Feb 10, 2016 . Electronic waste you can remove the ' gold with l ' vinegar. The trick is to use a solution of acetic acid and an oxidizing agent, that allows to dissolve gold in just 10 seconds and out of the circuit boards, leaving intact the copper components, nickel, iron and other metals. The technique can bring incredible.

    get price>>
  • Stephen FOLEY, et al. : Gold Extraction Rex Research

    Method and Technique Employing a Novel Extractant to Enhance Recovery of Gold and Palladium from Hydrochloric Acid Media. Inventor: MORADI .. The use of HCl as the leaching solution and H2O2 as the oxidizing agent is preferred. Following this.

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  • Striking Gold from E waste . Engineering360 News & Analysis

    Feb 10, 2016 . Stephen Foley, an associate professor in the Department of Chemistry, says that the team used acetic acid, which, at 5 percent concentration, is table vinegar. We use a minute amount of an acid and an oxidant to finish our solution, he says. Stephen Foley have developed a process to extract gold from.

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  • Arsenic Pyrite Gold Extraction by Alkaline Leaching Oxidation

    Jul 22, 2017 . A pressure oxidation procedure that has gained commercial status for treating gold bearing arsenopyrite or pyrite employs sulfuric acid (H2SO4) and oxygen as .. First, sulfate as calcium sulfate (CaSO4) was precipitated by adjusting the solution's pH to 6, using either sulfuric or acetic acid and adding lime.

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  • Turning Electronic Waste Into Gold Newswise

    Jan 28, 2016 . What his U of S research team has discovered is a process using a solution acetic acid combined with very small amounts of an oxidant and another acid that extracts gold efficiently and effectively without the environmental concerns of current industry practices. In this technique, the gold extraction is.

    get price>>
  • Acetic acid as a proton shuttle in gold chemistry Phys

    Jul 24, 2015 . Using modern physical methods and computational studies, the authors propose a reaction mechanism in which a molecule of acetic acid serves as a proton shuttle, transferring the . The value of gold was determined by its unusual properties heft, shine and ability to withstand oxidation and corrosion.

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  • Gold diggers News University of Saskatchewan On Campus News

    Jan 29, 2016 . Given this difficulty, there are two main ways to get gold: through mining gold from the earth, which requires massive amounts of sodium cyanide; and recycling gold from secondary . "We use one of the most mass produced chemicals: acetic acid; at five per cent concentration it's plain table vinegar.

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  • Formic acid Wikipedia

    Formic acid, systematically named methanoic acid, is the simplest carboxylic acid. The chemical formula is HCOOH or HCO2H. It is an important intermediate in chemical synthesis and occurs naturally, most notably in some ants. The word "formic" comes from the Latin word for ant, formica, referring to its early isolation by.

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  • How to Extract Gold From Electronics: 11 Steps (with Pictures)

    Aug 13, 2014 . In this Instructable, I will show you how to extract gold from computers using products most people have lying around in their homes. The way I extract the gold is.

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  • Stephen FOLEY, et al. : Gold Extraction Rex Research

    As taught in this patent, the extraction of gold with DBC from the subject material required five different stages. The process employed 2 stages for initial extraction, and three stages of scrubbing are then employed using 5 M hydrochloric acid solutions.

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  • Formation of Acetic Acid by AqueousPhase Oxidation of Ethanol .

    Jun 22, 2006 . neutral transportation fuels and to eventually remove the dependence on fossil . acetic acid in aqueous solution using air as the oxidant with a .. Au/MgAl2O4 catalyst used in this study. Generally, gold particle sizes of 36 nm are observed both before and after testing, with no sign of sintering. Figure 1.

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  • Sustainable technique recovers gold from e waste cheaply Phys

    Feb 3, 2016 . "We use one of the most mass produced chemicals: acetic acid; at five per cent concentration it's plain table vinegar. We use a minute amount of an acid and an oxidant to finish our solution." The solution, he continued, is the greenest solvent next to water, so eliminates the vast number of environmental.

    get price>>
  • Green Gold Extraction . Mining & Energy

    Water mixed with chemicals was deemed the best route for extracting these miniscule amounts of gold because it is economically feasible, and water is abundant. We tried to move away . When they added tiny amounts of an acid and an oxidant to their acetic acid, the system successfully acts in literally seconds. We were.

    get price>>
  • Turning Electronic Waste Into Gold Newswise

    Jan 28, 2016 . What his U of S research team has discovered is a process using a solution acetic acid combined with very small amounts of an oxidant and another acid that extracts gold efficiently and effectively without the environmental concerns of current industry practices. In this technique, the gold extraction is.

    get price>>
  • How To Recover Gold From Computer Scrap With Salt And Vinegar .

    Oct 10, 2015 . Using white vinegar, sea salt, and hydrogen peroxide to recover gold foils from scrap computer circuit card fingers. Then bleach to dissolve and vitamin C to precipitate. Please note that I paid about 4 times over what the fingers are worth so that I could do this experiment and make this video.

    get price>>
  • Gold diggers News University of Saskatchewan On Campus News

    Jan 29, 2016 . Given this difficulty, there are two main ways to get gold: through mining gold from the earth, which requires massive amounts of sodium cyanide; and recycling gold from secondary . "We use one of the most mass produced chemicals: acetic acid; at five per cent concentration it's plain table vinegar.

    get price>>
  • IN THE LABORATORY New golden age for recycling .

    'At 5% concentration, it's plain table vinegar. We use a minute amount of an acid and an oxidant to finish our solution.' The chemistry expert goes on to describe this solution as the most nature friendly solvent next to water. In essence, the new technique achieves gold extraction under 'very mild' conditions. Furthermore, the.

    get price>>
  • A green process for extracting gold New Atlas

    Feb 2, 2016 . A research team at the University of Saskatchewan has found what may be an inexpensive and environmentally friendly way of recycling gold from jewelry and electronics. Using a solution of what is essentially reusable table vinegar, the team has shown that for CAD$66 (about US$47) it can produce one.

    get price>>
  • Researchers Discover Solution to Extract Gold from Electronic Waste

    Jan 29, 2016 . The team from U of S have invented a technique, mixing acetic acid with very small amounts of another acid and an oxidant. This solution extracts gold efficiently, and without the environmental issues of current practices in the industry. The gold extraction is done under mild conditions, and the solutions.

    get price>>
  • A green process for extracting gold New Atlas

    Feb 2, 2016 . A research team at the University of Saskatchewan has found what may be an inexpensive and environmentally friendly way of recycling gold from jewelry and electronics. Using a solution of what is essentially reusable table vinegar, the team has shown that for CAD$66 (about US$47) it can produce one.

    get price>>
  • Sciencemadness Discussion Board Concentrated Vinegar Technology .

    These guys at the University of Saskatchewan claim to be able to strip only gold in 10 20 seconds using vinegar, an unnamed oxidant, another acid, and . thanks i read all the posts on the other thread but none of the methods they used could remove the gold in 10 20 seconds like in the video that's the.

    get price>>
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