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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
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Apr 16 2012· HClCl or HClbleach or HClsodium hypochlorite this generates chlorine gas in solution as the bleach is a basic solution the acid reacts with the hypochlorite solution to form chlorine gas which will dissolve gold into the acidic HCl solution
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May 23 2015· Instructions Weigh your gold smelt For every ounce of gold you will need a container with a 300milliliter capacity So if youre refining 5 ounces of gold you will need a 1500milliliter container or about 1 ½ quarts Add 30 milliliters of nitric acid for every ounce of gold So if youre refining 5 ounces of gol
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Refine 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 For some of the base metals it takes a little extra Oxygen to get this done so adding Hydrogen Peroxide andor using
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Gold Recovery Correctly I will detail a SAFE process of turning old electronic parts into little round lumps of pure gold There are many tutorials that claim to offer methods of gold recovery such as Cupellation These processes are DANGEROUS and put the user at t
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Emphasize the hazard of accidentally mixing acid and bleach If your lab has acid or bleach baths discuss this incident in your lab group meeting Document the training For work with acids bases or bleach have a written SOP that includes protective clothing and emergency procedures for an accident There should be an eyewash and safety shower if acid or bleach is being handled
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Aqua regia is a mixture of nitric acid and hydrochloric acid optimally in a molar ratio of 13 Aqua regia is a yelloworange fuming liquid so named by alchemists because it can dissolve the noble metals gold and platinum though not all metals
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Apr 24 2017· Extracting Gold from Scraps This process raises the pH levels of the acid thereby eliminating the nitric acid Heat a quart of water to boiling and add the sodium bisulphite to the boiling water in the ratio of 1 ounce of sodium bisulphate for every ounce of metal being refined Pour this mixture slowly into the acid and wait for a reaction
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Gold extraction with muriatic acid and bleach Crushers Screen washing Feeder conveyor for Gold extraction with muriatic acid and bleach As a leading global manufacturer of crushing grinding and mining equipments we offer advanced reasonable solutions for any sizereduction requirements including Gold extraction with muriatic acid and bleach quarry aggregate and different kinds of
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Mar 13 2018· Reactions The nitric acid acts as an oxidizing agent with three molecules of the acid each donating a proton to gold to give it a positive charge of 3 Concurrently chloride ions resulting from the separation of HCl into its components combine with
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Aqua Regia is the only acid that will dissolve gold but there are quite a few nonacids that will dissolve gold The industry uses cyanide andor mercury to extract trace gold from ore but these are both intensely poisonous and should not be tried at home
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Place the gold ore in the cement mixer Pour in the hot water bleach and HCL The mixture should be 15 percent sodium hypochlorite and 33 percent hydrochloric acid The mixture should cover the rocks so multiply the mixture until the rock is covered Insert the ORP meter so
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Hydrochloric acid and bleach Main article Dissolving gold with hydrochloric acid and bleach An alternative to aqua regia is to use hydrochloric acid and bleach the bleach breaks down in the acidic mixture and gives off chlorine gas This has the power to dissolve gold but not as fast as aqua regia Often used on gold foils or powders
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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 nongold 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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The Chemistry of the Extraction of Gold saimm For example gold does not dissolve in either nitric acid an oxidizing agent or hydrochloric acid a complexing ligand but dissolves quite easily in a mixture of the gold plants where uranium and gold are recovered from the same milled ore solution in the presence of an appropriate oxidizing agent such as chlorine
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Hydrochloric acid is a colorless odorless solution of hydrogen chloride and water nitric acid which he called aqua regia could indeed dissolve and separate gold It also forms chlorine a toxic gas when combined with bleach or potassium They used an alkali rather than acid process to extract as pure a
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To test the solution for remaining gold first immerse the end of the stirring rod in the acid Remove it and touch that end to a paper towel to make a wet spot Put a drop of gold detection liquid on the wet spot on the paper towel If any gold is still dissolved in the acid the wet spot will turn a
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Jun 18 2015 Making gold soluble Hcl Chlorine Method nitric acid hydrochloric acid 13 aqua regia we can also extract silver from silver nitrate with electrolysis with magnesium eg sparkler attempt with powdered but unrefined rock ores experiment with proportions for
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Kerl states that if all the silver is to be dissolved from gold by one boiling with nitric acid the amount of silver must be at least eight times the weight of the gold When the proportion 12½ is parted the resulting gold is left as a porous sponge if dilute acid is used for the first treatment
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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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May 23 2018· Producing Aqua Regia This process will require a beaker with 300 mL of capacity for every ounce of weight With the gold inside the beaker carefully add 30 mL of nitric acid for every ounce of your measured weight and then 120 mL of hydrochloric acid for every ounce of weight as well Be careful not to inhale any of the fumes released by the acids
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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 nongold 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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Dec 12 2010· Is there a way to extract gold using a chemical process without using nitric acid most people cant buy this here Ive been searching in the forum and I think the information should be more organized Ive been searching for a way for a while but I cant find it
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