Jan 09, 2014· How to remove gold from computer boards #1 gold recovery Michael Ciccarello. Etching with muriatic acid and hydrogen Palladium, Silver and Precious Metals after depopulating circuit boards
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 coffee pot until it just covers the gold fingers and wait a week giving it a stir daily. Since I have a week I will move on to processing my solid low grade gold parts.
Muriatic (also called hydrochloric acid 15%-30% strength) Sodium bicarbonate (baking soda) to neutralize the acid when finished; Tap water and distilled water for rinsing the pure gold; Containers for the boards (most people use 5 gallon stone buckets) Before refining. Cut off those portions of the board that have gold. Discard the rest.
Nov 05, 2011· My 1st attempt at gold recovery stopped in its tracks. I took a friends advice and tried 2 parts Muratic acid and 1 part Hydrogen Peroxide to extract gold from pc boards and cell phones. He has since went missing and I dont know what the remainder of this process is. I'm a single father so a cheap process is what I need.
hi and nice post of the electronic gold ;) im bin doing for some time and have alot, what use are hydrogen peroxide and hydrochloric acid,50%-50% great mix ;) but wonder how pure are the gold fingers after that, do you know that, i have plan to grind all to powrder them pan it " im an gold digger as well" then put it in acid bath regards johnny
Jan 03, 2016· An alternate method to refine gold without Nitric Acid Very good with fingers from computer boards (described here). This method is quite slow compared to using Nitric Acid, but is nowhere near as toxic. List of Chemicals. Hydrochloric Acid; 3% Hydrogen Peroxide; Sodium Bi-Carbonate (Baking Soda) 90% Alcohol (Rubbing Alcohol from Chemist)
Mar 07, 2018· Gold recycle at home from electronic circuit board is a veritable gold mine. How To Recover Gold. How to Make Gold from Electronic Chip Scrap Assembly Equipment. gold recovery. gold making.
Ceramic plates often have a border of gold around the edge for decoration. If you no longer want the border of gold of it you want to use the gold for something else, you can remove it through a stone process. Removing gold from ceramic plates is not difficult, but there are a
Mar 07, 2014· There's gold in them thar circuit boards -- laptops, phones, cameras and other devices use the precious metal to connect components, and it can be extracted relatively simply.
Jan 03, 2016· An alternate method to refine gold without Nitric Acid Very good with fingers from computer boards (described here). Alternate Gold Refining Methods 27-02-2016, 02:40 PM. I'm starting to get quite a few boards now and sooner or later I will have to do something to make room for more anyway happy scrapping .
2000. 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 least two ways to get the gold: (1) cut off the tabs and strip them in cyanide (2) burn the entire collection, smelt the copper and gold out of the ash, then extract the gold from the copper.
Computers and other electronic devices contain gold and other precious metals in their circuit boards. As consumers upgrade their electronic gadgets, the precious metals remain trapped in piles of waste. There’s about 0.2 grams (0.007 ounces) of gold in a typical mobile phone handset. Recovery of this gold
May 14, 2017· HCl as a gold recovery chemicals: Full name of HCl is hydrochloric acid. It is also known as muriatic acid and historic name spirit of salt because it was made from rock salt. It is a colorless and highly pungent solution of hydrogen chloride in water. It’s a large usage in industry. Mostly it’s 32 percentage use in industry and e-waste
Nov 18, 2013· Salvaging Gold From Old Electronics After cutting up a few circuit boards to remove the precious gold-bearing parts, [Josehf] threw these parts into a mixture of muriatic acid
Nov 14, 2017· Okay so first off you would recover the gold before you refine it, remember recovery and Refining are two completely different processes. To recover anything gold plated to Copper you would use muratic acid and hydrogen peroxide to make copper chl...
How to Use Muriatic Acid to Kill Weeds. Muriatic acid is a liquefied form of hydrogen chloride gas. This highly corrosive liquid is frequently used to balance the pH of swimming pools as well as to remove excess mortar from bricks and etch concrete. Muriatic acid is destructive to cellulose and will break up the cellulose chain into smaller
Sep 10, 2009· I was cleaning up some gold that had the blue goo in it by heating up some muriatic acid and putting it in it. It usually cleans it up. But I guess I left it on the hotplate too long cuz the gold
Mixing muriatic acid (hydrochloric acid) with bleach (sodium hypochlorite), you are freeing chlorine to attack the gold. You are making gold chloride. Try exposing the solution to ultraviolet light, to break the bond between the gold and the chlorine molecules. Read More
Several ways to do this. Cut off the parts that have gold and discard the others. Use Lye to strip the coatings from on top of the PCB (printed circuit boards) and trim/pluck all the little pins. Dissolve base metals in AP (Acid + Peroxide). Throw your scrap in a bucket then dump some Muriatic and Peroxide in there, fish tank bubbler helps too.
Simple method for extracting gold from electrical and electronic wastes using hydrometallurgical process. circuit boards were used. Gold was extracted using a hydrometallurgical method in six
Dec 31, 2012· Shor International Refining Gold From Circuit Boards . The acid used in this process is muriatic If any gold is still dissolved in the acid, the wet spot will turn a purple Rinsing the pure gold: The acid »More detailed
Aug 31, 2016· The new process to remove it uses a mild acid as opposed to harsher chemicals such as cyanide or mercury that are currently used to extract gold. First, printed circuit boards are dissolved in the
Several ways to do this. Cut off the parts that have gold and discard the others. Use Lye to strip the coatings from on top of the PCB (printed circuit boards) and trim/pluck all the little pins. Dissolve base metals in AP (Acid + Peroxide). Throw your scrap in a bucket then dump some Muriatic and Peroxide in there, fish tank bubbler helps too.
Simple method for extracting gold from electrical and electronic wastes using hydrometallurgical process. circuit boards were used. Gold was extracted using a hydrometallurgical method in six
Dec 31, 2012· Shor International Refining Gold From Circuit Boards . The acid used in this process is muriatic If any gold is still dissolved in the acid, the wet spot will turn a purple Rinsing the pure gold: The acid »More detailed
Nov 23, 2013· 14. 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 coffee pot until it just covers the gold fingers and wait a week giving it a stir daily. Since I have a week I will move on to processing my solid low grade gold parts.
Aug 31, 2016· The new process to remove it uses a mild acid as opposed to harsher chemicals such as cyanide or mercury that are currently used to extract gold. First, printed circuit boards
How to Etch Printed Circuit Boards Photo stone such as Press-n-Peel (printed circuit board transfer film) or Decal Pro Toner Transfer stone by Pulsar Professional A Laser Printer capable of 1200 dpi (Brother HL2240 used by author) add the Muriatic Acid to the Hydrogen Peroxide, NOT the other way around. Do this
Apr 11, 2009· Hello, I have been using the Muriatic Acid Hydro Peroxide etchant now for the last few projects. The first time I mixed a batch it etched a pc board in about 3 minutes. Incredible, great stuff. I then placed it in a sealed container for the next use. For the next project a number of weeks...
A new trend has emerged in do-it-yourself gold recovery: scrap electronics and computer components are disassembled for their precious metal content. This is a somewhat complex task, and special equipment and instructions are required.
In the second step, you must put the clean circuit boards and the gold fingers inside the coffee pot. Using a different container, mix one part hydrogen peroxide with 2 parts muriatic acid and add the mixture to the coffee pot until it just covers the gold-containing stuff inside (gold fingers for example).
This article has two parts. The first part, Getting to know muriatic acid, deals with the properties of muriatic acid, how it works and suggestions for safer, alternative cleaning methods.The second part, Special Masonry Cleaning Situations gives a few more specific examples, such as efflorescence removal and paint preparation. Do-it-yourselfer's should avoid muriatic acid where possible.
Once the procedure's time has passed, check the boards to make sure all the gold has been removed and dissolved into the aqua regia acid. Let any boards with gold still on them continue dissolving until none remain. If you're using a home-built system: Remove the basket from the acid, taking care not to drip acid anywhere.
"Gold Recovery for Dummies?" A discussion started in 2005 but continuing through 2020. 2005. Q. Well Hello. I just stumbled across this forum as I was looking for information on Gold Scrap Recovery and thought it was as good a place as any to start.
This is one of methode to dissolve gold from old computer parts. Use it only on computer parts, such as CPUs, ceramic chips, “fingers”, etc..., after removing them from the circuit boards. DO NOT try to use this formula on circuit boards.
Sep 08, 2016· Can Muratic Acid be used to etch copper? I was told that Muratic acid can be used to etch copper, but It will not etch silver. I have tried to find about muriatic acid, but all of the I found was for masons, and how to use it to clean concrete etc Are there any books that cover acid etching in depth, explanig diferent chemicals to use, how to use them safly and how to properly dispose of
This article has two parts. The first part, Getting to know muriatic acid, deals with the properties of muriatic acid, how it works and suggestions for safer, alternative cleaning methods.The second part, Special Masonry Cleaning Situations gives a few more specific examples, such as efflorescence removal and paint preparation. Do-it-yourselfer's should avoid muriatic acid where possible.
Once the procedure's time has passed, check the boards to make sure all the gold has been removed and dissolved into the aqua regia acid. Let any boards with gold still on them continue dissolving until none remain. If you're using a home-built system: Remove the basket from the acid, taking care not to drip acid anywhere.
If the acid solution containing the dissolved gold is murky, it may contain particles and should be re-filtered with a finer grade stone filter. 6. Slowly, add the water/urea (urine ) to the acid solution containing the dissolved gold. The acid solution containing the dissolved gold will foam with the addition of the water/urea (urine).
This is one of methode to dissolve gold from old computer parts. Use it only on computer parts, such as CPUs, ceramic chips, “fingers”, etc..., after removing them from the circuit boards. DO NOT try to use this formula on circuit boards.
gold extraction process using muriatic acid. Nov 05 2011 · My 1st attempt at gold recovery stopped in its tracks I took a friends advice and tried 2 parts Muratic acid and 1 part Hydrogen Peroxide to extract gold from pc boards and cell phones He has since went missing and I dont know what the remainder of this process is Im a single father so a cheap process is what I need
Aug 23, 2012· Patrick, all I know is that's the formula that he gave me. One cup of salt peter to a gallon of muriatic acid to give a proper ratio of hydrochloric acid to nitric acid to make aqua regia. He says that he dissolves the gold off old circuit boards with it for his gold salvage operation. Doug
Muriatic Acid Peels Gold From Circuit Boards Gold extraction with muriatic acid gold recovery from gold fingers and gold plated boards using the a morethere; Is Gold Extraction From Pcs Are Worth More Recycling gold from scrap pc boards finishing. recycling gold from scrap pc boards. . hard drives, in my experience, take so long to
Mar 16, 2017· often used to clean excess grout from new ceramic tiles, to etch the surface of old concrete before applying a finish or sealer or to improve adhesion of new concrete (though new concrete and old concrete do not truly form a bond). It can also rem...
Nov 21, 2013· Your Old Electronics Are Actually Mini Gold Mines (46 pics) 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 coffee pot until it just covers the gold fingers and wait a week giving it a stir daily. Since I have a week I will move
How To Remove Gold From Circuit Boards; About Aqua Regia Aqua regia is a mixture of nitric acid and hydrochloric acid,optimally in a molar ratio of 1:3. Aqua regia is a yellow-orange (sometimes red) fuming liquid, so named by alchemists because it can dissolve the noble metals gold and platinum, though not all metals. Muriatic acid, better
Quartz and gold are commonly found together, but this is where the two minerals' similarities end. Quartz is a plentiful mineral, whereas gold is rare and prized. Even though the minerals are found together physically, their structural differences make them easy to separate. How to Extract Gold From Quartz
Oct 27, 2010· Most circuit boards contain all sort of precious metals: Gold, Silver, Palladium and sometimes Platinum. All circuit boards contain base metals: Copper, Nickel, Aluminum, Zinc, Tin, Lead and Iron. As well, small amount of hazardous elements like Beryllium, Barium and others that has to be considered while processing scrap circuit boards.
Mar 11, 2017· Gold plated pins Recycling: First of all weight the pins. Your pot should be twenty percent bigger. One kg connector pins need 20-liter pot. Dip 1 kg connector pins in five litter HCl (hydrochloric acid or muriatic acid). Then add 1-liter water. Approximately 1 to 1.5 L nitric acid will use for I kg gold plated connector pins.
Aug 30, 2012· Etching your own PCBs from copper clad board is nothing new, but the ability to make your own circuit boards at home is so useful it should be part of every maker’s repertoire of skills.
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