· In a method for leaching gold from without blowing chlorine gas 2 A method The gold leaching method with the use of halide such as Forum com V HCl Cl Clorox Method 4 Parts Muriatic 1 Part Clorox added in small increments Used to dissolve gold foils and powder Drop gold with SMB NO urea needed
Get PriceHCl CaF2 Leaching A preliminary experiment employing HCl and CaF2 to leach the manganese silicate ore indicated that extraction of Mn was possible Approximately 90 pct of the Mn was extracted when a 9 pct ore slurry was leached with a 2 0M HCl 0 25M CaF2 solution at 50° C for 1 h
Get PriceTo test recharge ability the N halamine based PU films were first treated with 0 1 M sodium thiosulfate aqueous solution at room temperature for 24 h to quench the bound chlorine and then recharged using a 10% Clorox regular bleach aqueous solution for 45 min The chlorinated PU films were washed with distilled water air dried and then quenched and recharged again
Get PriceBleach is the chemical compound sodium hypochlorite when combined with hydrochloric acid the mixture produces chlorine that dissolves gold from gold ore 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 read more here Get Price
Get PriceThe reduction of gold ions from HCl NaClO3 leaching solution with oxalic acid was performed It was found that for 50 mL of gold containing leaching filtrate 20 mL of 6% w/v oxalic acid was
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Get PriceGold Recovery from PINS How to do it Clorox Acid Experiment Help Question concerning the History of the AP process Iodine 7% Leach for Gold Clarification on moles and acid Concentration The reason why nitric acid will dissolve base metals such as copper very fast while hydrochloric acid will not dissolve it fast is because HCl is
Get PriceHow Recover Gold From Hcl Through Copper ngicdmx org mx HCl and Bleach will dissolve gold readily Filter the Auric Chloride at least twice through the This is the easiest way that I know of to refine gold from Chemistry Science Forums Page 1 of 2 posted in Chemistry I was looking into and came across a lot of information on Aqua Regina While I
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Get PriceIf you want to leach gold you need an oxidizing environment add chlorine gas or clorox until you reach an ORP of 1000mV at a Ph of about 5 hopefully warm temperature and you will leach gold Once in solution separate liquid from solids reduce the ORP to 100 500 mV using NaHSO3 and your gold will precipitate
Get PriceProbably the best way to leach gold using bromide is preparing an aqueous solution of bromine with chlorine and hypochlorite playing a key role in the leaching process 5 25% BIOCHEM to a solution of 4 4 g 43 mmol of sodium bromide 99% ACROS in 42 mL 42 mmol of 1 M hydrochloric acid 35 38% BIOCHEM and 28 mL of water The
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Get PriceThe best leaching conditions were 0 235 lb of HCl and 0 172 lb Cl2 per pound of matte followed by the addition of oxygen to the slurry at 90° to 106° C with an overpressure of 48 psig The total reaction time for the PDU apparatus was 1 hour because the slurry had to be heated to increase the oxygen reaction rate
Get PriceDirect chloride hypochlorite leaching of the concentrate yields 67 1% gold recovery 3 Iron hydroxide layer as oxidation product of pyrite forms on the particles which can be removed by acid washing 4 Chloride hypochlorite leaching/hydrochloric acid washing in three stages increases the gold recovery to 95 7% References
Get PriceA non cyanide lixiviant for gold dissolution cupric chloride was studied The work used a rotating disk electrode technique to investigate the dissolution reaction mechanism and kinetics of gold dissolution in concentrated chloride 3 M solution with cupric ion concentration in the range 0 02 1 0 M and temperature 65 95 °C A reaction mechanism including a disproportionation step of Au
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Get Price4 days agoDrill holes TUDDH 613 and 616 and TUG 149 were designed to follow up the previously announced discovery of the very high grade zone of Au mineralization discovered by hole TUG 141 Read June 6
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Get PriceThe amount of added HCl and hence the initial pH was found to have a major effect on gold leaching kinetics and maximum gold recovery A high level of 9 g/L of added HCl causes HClO to be
Get PriceYou will need to dissolve and purify product with Aqua Regia or HCl and regular Clorox Bleach halide leaching This is says to pre mix it in the ratio of 3 or 4 parts hydrochloric acid HCl and 1 part nitric acid NHO3 This will certainly dissolve the gold but when attempting to precipitate the gold with a reducing agent such as
Get PriceIn a method for leaching gold from copper sulfides the sulfide ores are first subjected to leaching of copper thereby producing a leaching residue having 7 9% or less of the copper content This leaching residue is mixed with a leach liquor which contains the chloride ion and ferric ion and has 1 9 or less of pH Gold and copper can be effectively leached from the copper sulfide ores
Get PriceFor 3 4 hours it s just stirring and adding nitric acid in small quantity and then I leave the solution for 24 hours and next day I wash siphon filter and finally add SMB to drop the gold It s going great till now Now I have been reading a lot on the forum is that hcl cl method is actually better option for gold dust than AR
Get PriceNov 14 2022i 80 Gold Hilltop Discovery Yields Bonanza Grade CRD Mineralization at Ruby Hill Results Include 60 2 g/t Gold 908 7 g/t Silver 15 7 % Lead and 1 1 % Zinc over 10 0 m HCl leach and ICP AES Additional samples overlimit ore grade methods are analyzed by acid dissolution and titration ALS also undertakes their own internal
Get PriceMineralogical characterization was conducted on the gold concentrate using 1715 20 g/t based on lead fire assays During the leaching experiment the effect of nitric acid concentration was
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Get PriceHCl Cl= Clorox Method = 4 Parts Muriatic 1 Part Clorox added in small increments Used to dissolve gold foils and powder Drop gold with SMB NO urea needed 4 AP= Acid Peroxide = 2 Parts Muriatic Acid 1 Part 3% Hydrogen Peroxide Dissolves base metals slowly dissolves gold when heated If gold is present drop with SMB NO urea needed 3 f5
Get PriceThe reactions between gold and hypochlorite leach solutions containing hydrochloric acid and sodium chloride are demonstrated below 4Au 16NaOCl 10H2O → 4HAuCl4 16NaOH 5O2…………………………………… 1 4HAuCl4 4NaCl → 4NaAuCl4 4HCl………………………………………… 2 16NaOH 16HCl → 16NaCl 16H2O………………………………………… 3
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