to dissolve gold ore in bleach and hcl

to dissolve gold ore in bleach and hcl

Help with HCl and Bleach - Gold Refining Metal Extraction Forum

2019年10月4日  HCl + bleach will produce chlorine gas and you could only absorb some of it in the liquid, the rest goes off as gas. Add small increments, stir and let it work for a while. When

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Hypochlorite Leaching of Gold Ore - 911Metallurgist

2017年11月8日  Leaching pure gold with an acidic sodium hypochlorite solution has been demonstrated to be effective. The initial rate of gold dissolution was extremely rapid. In a

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hcl and bleach Gold Refining Metal Extraction Forum

2011年2月3日  Chlorine is the active ingredient in dissolving the gold in the HCl-Cl reaction. Chlorine is least soluble in hot solutions and is quickly forced out of the solution into the air at

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A Method for Leaching or Dissolving Gold From Ores or ... - Redorbit

2005年8月18日  In this study, the authors investigated the capability of a hot mixture of hydrochloric acid and g round manganese (IV) oxide to dissolve gold metal either under

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A method for leaching or dissolving gold from ores or precious

In this study, the authors investigated the capability of a hot mixture of hydrochloric acid and ground manganese (IV) oxide to dissolve gold metal either under atmospheric or pressurized

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Use of chloride–hypochlorite leachants to recover gold from tailing

2008年3月28日  In the most recent study (Baghalha, 2007), it was found that the leaching of gold from an ore has to be properly controlled to achieve high gold recovery and dissolution rate.

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Dissolving Ore? - Gold Prospectors Association of America - Forum

2016年10月15日  Using only the HCl acid (muratic) will normally breakdown the rock/silca which encases the gold. but HCl is also used to remove/dissolve the base metals associated with

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Hydrochloric Acid and Hydrogen peroxide to dissolve gold?

2022年7月12日  You can use the peroxide/hypochlorite (bleach) method rather than AR to dissolve gold if you're starting with fairly pure material like RAM or PCI fingers. If you want to

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Advances in Gold and Silver Processing - 911 Metallurgist

HYPOCHLORITE LEACHING OF GOLD ORE 7 1 Free Milling Gold Ore The free milling gold ore used in this study contains sulphide minerals, such as chalcopyrite and pyrite. Conventional cyanidation resulted in 95 % of the gold being extracted under strong leaching conditions, i.e., a grind of 90 % minus 200 mesh, leach with 1 g5 NaCN at pH 11.0 for

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Experiment precipitating gold out of solution 3 ways

2012年1月11日  The main problem I see is that HCl + H 2 O 2 dissolves gold (this I have tested) and the equation is creating HCl while reducing the gold. At least there should be an arrow towards both sides to show that this is a reversible reaction.

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What Happens When You Put Gold in Muriatic Acid?

2018年3月13日  The chemical formula for muriatic acid is HCl, and that for nitric acid HNO3. Each of these ... in the case of nitric acid a nitrate ion remains and has the formula NO3-. The name of the product that can dissolve gold is

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Precious Metal Refining Using Hydrochloric Acid - Alchemie Labs

2024年3月14日  For silver refining, ore refining, and all kinds of gold recovery, it is essential that HCI can dissolve a variety of rock deposits containing ores or at least cause them to disintegrate. In mining-related industries and precious metals refining such as refining silver pectoral medals, as we see now, hydrochloric acid has made it easy for the industry to recover valuable metals

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Gold Ore and Bleach Insight - Gold Refining Metal Extraction

2013年6月10日  I have an ore that has been assayed containing 4% gold. It is owned by a friend and he got the assay information from a Colorado company. I have reduced the ore to 150 micrometers in size and have removed most of its magnetics. The Internet showed instructions for HCL/Bleach extractions. It stated 2:1 ratio – Acid / Bleach.

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Hydrochloric Acid and Hydrogen peroxide to dissolve gold?

You can use the peroxide/hypochlorite (bleach) method rather than AR to dissolve gold if you're starting with fairly pure material like RAM or PCI fingers. If you want to use AR anyway (it tends to give better results on dirtier mixes, but not if there's tin included - And on any ROHS board, there will be), you can skip the AP step.

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Dissolved Gold in HCL and 3% Hydrogen Peroxide

2020年11月8日  At this point my foils have been filtered, rinsed and are stored in a straight HCL bath. They should be free of everything that is not alloyed with the gold at this point. Seems straight forward enough. I have been stock piling my foils until I acquired some nitric though this method may eliminate the need for the nitric acid.

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Bleach acid gold dissolver - Gold Refining Metal Extraction

2010年12月23日  Why isn't muriatic acid and bleach the standard to dissolve gold being that bleach can be bought at any grocery and muriatic can be gotten ... I took a board with components still on it and soaked it in HCL (muriatic ... I am a Mineral Processing Eng. Specialized in Gold Ores AMA. Latest: goldshark; Today at 7:12 PM; ...

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Hcl/Bleach process Gold Refining Metal Extraction Forum

2008年1月17日  During the gold leaching process a mixture of pool acid and bleach produces chlorine that is used to dissolve gold as follows: NaOCℓ + 2HCℓ Þ NaCℓ + H2O ... Basically how much gas dissolves X amount of gold. Plus how much hcl/bleach needs to be mixed to ... Ore Geochemical. Gold Refining Basics. General Gold Refining Discussion.

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Gold Chlorination Processes Methods - 911Metallurgist

2016年9月1日  After 3 to 6 hr. water under 20 to 40 lb. pressure was admitted by a trunnion and washed the charge in 1 to 2 hr. A ton of ore would use at least 10 lb. of bleach and 15 lb. of sulphuric acid. The ore was charged dry from a hopper and discharged by sluicing through manholes in the side.

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HCL-CL dissolve brass?? - Gold Refining Metal Extraction Forum

2008年1月22日  It rapidly dissolves the zinc contained in the alloy, so even if you don't achieve a fast dissolution of the entire body, it is degraded. While I have not ever used any of the work-around processes that are widely supported on this forum, seems to me the addition of a small amount of hydrogen peroxide is all it takes for HCl to dissolve copper readily. Might pay you

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gold processing with muratic acid and chlorine bleach

When combined with hydrochloric acid, the mixture produces chlorine that Pour the acid-and-bleach mixture "How to Use Bleach on Gold Ore to Remove Gold hcl and bleach - Gold Refining Forum Feb 23, 2011 Gold Refining Forum. Chlorine is the active ingredient in The methods to dissolve gold using muriatic acid and bleach have been ...

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Disolving gold foils with HCl and bleach - YouTube

2024年2月20日  In this video you will see the use of bleach and hydrochloric acid to dissolve gold foils . Don’t try this without proper PPE and training of chemical handli...

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Gold from bleach,vineger and hydrogen peroxide

2017年4月1日  Gold will not dissolve in HCl alone, without a strong oxidizing agent. ... So what, we can make HCl several other ways, just because we can generate a little HCl does not make it good to use for gold. Bleach and vinegar will generate some hypochlorous acid (chlorine gas dissolved in water), chlorine gas Cl2, and sodium acetate, ...

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Gold precipitation issue with HCL bleach solution

2018年9月28日  ) So I said to myself : ok I will add bleach to finish to dissolve all the gold. I added the bleach at small quantity, just enough to dissolve all the gold.( probably 15 ml ) When was all done I did left the solution on the plate to evaporate all the chlorine and some water up to 100 ml again...the solution was beautifully yellow/green , I ...

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Hcl/Bleach process Gold Refining Metal Extraction Forum

2008年1月17日  During the gold leaching process a mixture of pool acid and bleach produces chlorine that is used to dissolve gold as follows: NaOCℓ + 2HCℓ Þ NaCℓ + H2O ... Basically how much gas dissolves X amount of gold. Plus how much hcl/bleach needs to be mixed to ... Ore Geochemical. Gold Refining Basics. General Gold Refining Discussion.

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git.sr.ht

``` sbm how to dissolve gold ore in bleach and hclHow to Leach Gold Ore With Chlorination Sciencing Apr 25,2017 At 400,the HCL stops leeching the gold The solution is the most e

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Author: Subject: Recovery of gold using HCl + H2O2

2013年7月11日  Gold chloride is not black, but orange and its solutions are yellow. HCl + H2O2 can dissolve gold as well. If you want to recover your gold, then you need H2O2 of higher concentration. You mix the H2O2 (e.g. 20%) one part with two parts of your 32% HCl and put the metal scrap in the mix. All metal stuff will dissolve, the gold also.

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hcl and bleach Gold Refining Metal Extraction Forum

2013年4月29日  I used the peroxide and hcl to remove the foils which worked really well but now that I added the bleach and hcl it don't want to dissolve the foils, I used a 6% bleach not Clorox how long does it take to dissolve its been about 2 days should I let it work longer or get Clorox and start all over...

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gold ore refining hcl and peroxide

SMB reaction in hcl/peroxide and/or hcl/cl Gold Refining I am having a hard time trying to understand what you are asking and your goal, the air or peroxide is a mild oxidizer, it will oxidize the copper, allowing it to easily make a chloride salt (copper II chloride) soluble in solution from the free HCl in this solution, hydrochloric acid without this oxidizer would not attack the ...

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