How to Use Bleach on Gold Ore to Remove Gold | Sciencing

Pour the acid-and-bleach mixture into the plastic bowl with the ore grains and stir. Allow four hours for the gold to dissolve, stirring every 20 minutes. The chlorine reacts with the gold inside the ore to form gold chloride. Filter the ore and bleach solution to remove all …

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Gold Recovery With Bleach Computer Scrap Pentium Pro …

4-12-2016· How to recover gold with hydrochloric acid, bleach, hydrogen peroxide, and Stump Out - NO NITRIC ACID. ... How to extract and refine gold from old computer parts.

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How to Refine Gold With Nitric Acid | Sciencing

Though gold is valuable, the most common sources of gold are rarely pure. Whether it is freshly mined gold ore or a refined gold used in jewelry, contaminants and unwanted minerals are usually present. Nitric acid can be used to refine gold, but you must be careful during the process.

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How to Leach Gold Ore With Chlorination | Sciencing

Gold can be leached from stone through alkaline or acidic-based products, including halogens, such as chlorine, iodine and bromine. Halogens are reactive, non-metal elements with seven electrons in their outer shell which allow them to easily combine with other elements. The …

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How to Extract Gold From Scrap | Sciencing

Gold is a precious, conductive, and pliable metal that retains a stable value better than many commodities. Its chemical properties make it useful for the manufacture of computers parts, electronics, jewelry and dental work. Some people find it profitable to attempt to extract the gold …

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Buy Nitric Acid online - 1,200+ Verified Companies

广告Find & Order Nitric Acid from certified Suppliers with immediate availabilities. Join the Nº1 B2B online marketplace for chemicals in Europe and start ordering now!

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What Happens When You Put Gold in Muriatic Acid? | …

Gold is probably the most treasured of the so-called precious metals, having been used in art and jewelry for centuries and more recently finding applications in medicine, coins and elsewhere. Muriatic acid, better known today as hydrochloric acid, is a simple, corrosive liquid …

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gold processing with muriatc acid - Bewust Outdoor

How to Refine Gold With Nitric Acid Sciencing. ... 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. ... gold processing with muriatc acid sankalpacademycoin gold processing with muratic acid and chlorine bleach gold refining using gold processing with muratic acid .

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Table salt, acid and gold - YouTube

1-9-2017· Making nitric acid for gold and silver refining. - Duration: 19:47. Philip Bender 60,127 views. ... 5:33. Gold, sulfuric acid and sodium hypochlorite / Золото, серная кислота и ...

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How to Extract Gold From Electronics : 11 Steps (with ...

How to Extract Gold From Electronics: 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 relatively straight-forward and pretty easy, but the chemicals used are very danger...

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REFINING-RECOVERY AND REFINING WITH JUST NITRIC …

add the nitric substitute acid ,just enough to cover the materials. without heating the bath it will take 3 to 10 days for the acid to desolve all the non-gold metals. if you heat the bath it can be finished in hours instead of days. pour off the bath through a paint filter to catch the gold flakes and pins that are floating.

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HOW to Recover GOLD from Scrap VERY EASY With …

16-3-2018· HOW to Recover GOLD from Scrap VERY EASY - No nitric acid needed HD https: ... No nitric acid needed HD https: ... How to extract and refine gold from old computer parts.

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"Gold Recovery for Dummies?"

When using nitric acid to remove base metals in gold recovery it is very easy to misplace your gold. On electronics that use gold for shielding (such as RF shielding) the gold can be very thin and instead of coming off in foils will separate into finely divided particles and will get lost in trash.

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Hydrochloric Acid and bleach - YouTube

18-3-2016· Dropping gold from hydrochloric acid and bleach (HCl Cl) with SMB (Sodium Metabisulfite). This shows that with an excess of chlorine the drop can still work. So long as the excess is minimal the ...

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Dissolving Gold and Precipitating Gold - Pyrometallurgy ...

If you leach with aqua regis (nitric and hydrochloric acids), you can precipitate the gold with sodium metabisulfite (a reducing agent). Mixing muriatic acid (hydrochloric acid) with bleach (sodium hypochlorite), you are freeing chlorine to attack the gold. You are making gold chloride.

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AP42 8.8 Nitric Acid Production

8.8 Nitric Acid 8.8.1 General 1-2 In 1991, there were approximately 65 nitric acid ... intermediates. 1 Other end uses of nitric acid are gold and silver separation, military munitions, steel and brass pickling, ... an external bleacher where air is used to remove (bleach) any dissolved oxides of nitrogen.

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Refine Gold - Gypsy Tinker

Here is how to reclaim that gold and end up with .99+ pure gold. The process is to dissolve all of the base metals in acid and leave behind the gold, then purify the gold even further. What this does is make salts of the metals and those salts (most of them) are soluable in HCl.

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No nitric acid - Gold Refining Forum.com

12-12-2010· No nitric acid. Post by Aqlor » December 7th, 2010, 5:53 pm Hey, I have a simple question. Is there a way to extract gold using a chemical process without using nitric acid ( most people can't buy this here ) ? I've been searching in the forum and I …

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Sustainable technique recovers gold from e-waste cheaply

To highlight the improvement Foley's solution presents, consider that it costs $1,520 to extract one kilogram of gold using aqua regia and results in 5,000 litres of waste.

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Reclaiming gold from electronics, page 3

2006. Hello, Please read this to the end before attempting this process. I use this set up: use 1 quart of HNO3 (nitric acid 70% technical grade) dilute to 50% , soak one kilogram of computer CPUs in the solution for a period of time till the CPUs legs are fell off the ceramic or fiber backing, please do not agitate the solution.

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How to Refine Gold (with Pictures) - wikiHow

16-11-2019· How to Refine Gold. You may want to make some extra money by refining your own gold at home, or you may be a jeweler who wants to refine gold in-house. There are multiple ways to refine gold on a small scale as long as you take appropriate...

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Gold Recovery : 8 Steps (with Pictures) - Instructables

Gold is a precious, conductive, and pliable metal that retains a stable value better than many commodities. Its chemical properties make it useful for the manufacture of computers parts and electronics. Some people find it profitable to attempt to extract the gold …

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Can gold be dissolved in sulphuric acid alone? Iodine?

December 8, 2012. A. Sulfuric acid can dissolve gold, but it is a very dangerous process as the sulfuric acid has to be concentrated and heated to the point sulfur dioxide gas is fumed off, silver or gold will dissolve gold will form a gold persulfate soluble in the very concentrated acid, upon dilution the gold will precipitate out of solution as a powder which can be washed and refined.

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Aqua regia - Wikipedia

Aqua regia dissolves gold, though neither constituent acid will do so alone, because, in combination, each acid performs a different task.Nitric acid is a powerful oxidizer, which will actually dissolve a virtually undetectable amount of gold, forming gold ions (Au 3+).The hydrochloric acid provides a ready supply of chloride ions (Cl −), which react with the gold ions to produce ...

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Solution for precipitating gold from HAuCl4 solution

I use 3 HCL+1 Nitric Acid to make Aqua Regia. Let it work 1 night or simply heat it up for a while to shortened the process. Filter the solution and neutralize it with Urea or just heat it up until all of the nitric vaporized. Watch out not to lose any precious metal during the heating. Test the pH. Precipitate gold using sodium metabisulfite ...

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How to Dissolve gold in aqua regia to make ...

Aqua regia (königswasser in German) is a very corrosive liquid made from a mixture of nitric acid and hydrochloric acid (1:2 - 1:3). This chemical mixture is so corrosive that it can even dissolve gold, and that's what you'll learn about in this video.

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