using sodium nitrate for gold refining

Sodium nitrate ratios fo AR help please!!! - Gold Refining ...

Jan 18, 2012  1.343 g NaNO3 (sodium nitrate) per gram of gold to be dissolved. 1.597 g KNO3 (potassium nitrate) per gram of gold to be dissolved. 2. When used to dissolve copper based scrap 4 mL of 31% HCl per gram of copper plus: 5.35 g NaNO3 per gram of copper to be dissolved. 6.36 g KNO3 per gram of copper to be dissolved.

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GOLD refining using food additive E250 (sodium nitrite ...

Gold button containing silver and PGMs is refined using sodium nitrite (NaNO2 - a meat curing ingredient) as precipitation agent leaving PGMs in solutio...

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refining gold with sodium nitrate - Hitlers Hollywood

Sodium nitrate is used as an ingredient in fertilizers explosives and in solid rocket propellants as well as in glass and pottery enamels the compound has been mined extensively for those purposes Sodium nitrate is commonly used in gold refining for making aqua regia which is used for recovery of gold platinum and other precious metals. More Detail

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Sodium nitrate for silver help - Gold Refining Forum

Jul 07, 2014  Sodium nitrate, NaNO 3, is a salt and a solid. Not the same thing. You can use sodium nitrate with sulfuric acid and make nitric acid. If you use a distilling rig you can make pure nitric acid. Without distilling the acid you would get some sulfuric acid in the mix and it can make silver refining

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Help with Sodium Nitrate - Gold Refining Forum

Mar 13, 2012  Re: Help with Sodium Nitrate. My suggestion is to READ. If you do not study you can only hurt yourself or others. not only could you be a danger to yourself and other you are not likely to get gold without doing at minimum the following in my opinion. And I am just trying to help you here so take it

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Making Sodium Nitrate ? - Gold Refining Forum

Apr 30, 2008  10) The liquid contains two moles of sodium nitrate (~170 grams) 11) Evaporate this liquid down to 350 mL. 12) Filter out any solids that may have formed. 13) Evaporate down to 175 mL. 14) Use this hot liquid (95 C +) in reaction #1 starting at step #4 above to make more nitric acid. If you are going to store the Sodium Nitrate just evaporate ...

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refining gold with sodium nitrate - Hitlers Hollywood

Sodium nitrate is used as an ingredient in fertilizers explosives and in solid rocket propellants as well as in glass and pottery enamels the compound has been mined extensively for those purposes Sodium nitrate is commonly used in gold refining for making aqua regia which is used for recovery of gold platinum and other precious metals. More Detail

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Gold Smelting Refining Process

Feb 28, 2016  The flux is a mixture of several reagent chemical such as borax, silica, sodium nitrate, sodium carbonate and fluorspar. Borax is a white crystalline mineral used in glass and ceramic enamel mixes. In the smelting process, borax helps to reduce the gold

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Making sodium nitrate - Gold Refining Forum

Jul 02, 2016  Most nitrates can be used to make Poor Man's Aqua Regia (PMAR), however ammonium nitrate (NH4NO3) is one of the more hazardous options as one can unwittingly create explosive compounds. However it's quite easy to convert to sodium nitrate (NaNO3) or potassium nitrate (KNO3).

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sodium nitrate - Gold Refining Forum

Sep 22, 2009  sodium nitrate Post by arthur kierski » February 24th, 2009, 3:02 pm one needs 1610 ml of nitric acid to dissolve one pound of copper---could someone tell me how much sodium nitrate is needed to do the same work??(how many grams or kilos)

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sodium nitrate and sulphuric acid to separate gold ...

May 15, 2015  Re: sodium nitrate and sulphuric acid to separate gold sil. Post. by nickvc » May 14th, 2015, 8:34 pm. Chris if you add copper or silver to inquart your material and simply dissolve the base metals off with heat applied and do it twice you should get

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aqua regia mistake - Gold Refining Forum

Aug 02, 2010  OK this is my story I made aqua regia using the sodium nitrate/meuratic acid method and proceeded to dissolve about a pound of gold plated pins fingers and chips while capturing the fumes in several 1 gallon glass jars and reacting that with water to reclaim the valuable nitric acid. After the metal was dissolved I filtered the solution and ...

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Scrap Gold Recovery: Gold Refining from scrap

Apr 11, 2010  Put acid then gold then sodium nitrate (can also use ammonium nitrate fertilizer or potassium nitrate sold as stump remover) CAUTION: stay clear of fumes and if possible a fume hood is advisable. Not inside. Also very corrosive to metals. Add water till all salt in liquid, and let the gold

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Iodine 7% Leach for Gold - Gold Refining Forum

Sep 20, 2007  1. Mix in clear container: 1 part scrap ( may contain Gold, or any of the PGMs) 1 part 7% or 10% iodine. 10 parts water. Agitate (I use a bubbler like used in a aquarium) Let set (Leach) 24 – 48 hrs-should get darker (the darker the better) Filter to clear (3

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Gold Refining Alaskan Placer Gold with Sodium Chlorate ...

Nov 07, 2017  To contribute: https://paypal.me/sreetips?locale.x=en_USHydrochloric Acid and Sodium Chlorate to dissolve Alaskan Placer Gold then precipitate the pure gold ...

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Gold Recovery Chemicals E-waste recycling beginners guide

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 ...

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REFINING-MIXING INSTRUCTIONS AND SUPPLIES

aqua-regia liquid bath.(for desolving gold,and platinum group metals) PUT 1 CUP(APPROX 1 LB) OF SODIUM NITRATE INTO A CONTAINER PER EACH QUART OF AR YOU DESIRE. ADD 1 QUART OF HA(HYDROCHLORIC ACID=MURATIC ACID)FOR EACH CUP OF SN.

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Buy Gold Recovery Chemicals: Nitric Acid, Hydrochloric ...

Aqua regia is a corrosive reagent used to clean glassware and in gold refining processes. It is made by mixing nitric acid and hydrochloric acid in a 1:3 ratio. The name comes from the Latin 'royal water', as it can dissolve gold and platinum - metals associated with royalty. Read more here.

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Aqua Regia: Precipitating Pure Gold Shor International

When working with nitric acid, the amount of urea will vary with each batch and typically, the amount required is pounds. Step 2: Precipitating pure gold (99.95+% pure) There are several different selective precipitants available. If used correctly, all will precipitate gold that

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Gold Refining Methods - Mineral Processing Metallurgy

Nov 03, 2016  This ancient Gold Refining method is one in that the nitre must be “ projected ” upon the gold just before it melts, as it has little effect on molten gold. The method is still in wide use. The bullion is melted in clay crucibles, and a little nitre (potassium nitrate) or sodium nitrate is thrown on to the surface of the metal.

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potasium nitrate use in gold processing

Gold Recovery Tutorial - Process for Recoveing Gold from Scrap Ceramic ... First, let me start by saying that Ceramic CPU's and chips are barely used or .... Potassium nitrate (KNO3), Sodium nitrate (NaNO3) and Ammonium nitrate (NH4NO3). Read more

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Mix Pc boards chip gold recovery - Hcl and Sodium nitrate ...

The easiest way to get the gold out of the chips, without much rinsing and without heavy chemistry, just Sodium nitrate, hcl and smb to turn the gold down an...

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How to Choose Gold Smelting Flux - LinkedIn

May 30, 2018  Sodium Nitrate. Some types of flux are good at oxidizing specific metals. Sodium Nitrate belongs to this class of flux elements. ... Although most Gold refining process use

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REFINING-MIXING INSTRUCTIONS AND SUPPLIES

aqua-regia liquid bath.(for desolving gold,and platinum group metals) PUT 1 CUP(APPROX 1 LB) OF SODIUM NITRATE INTO A CONTAINER PER EACH QUART OF AR YOU DESIRE. ADD 1 QUART OF HA(HYDROCHLORIC ACID=MURATIC ACID)FOR EACH CUP OF SN.

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How to Refine Gold with Urea – Greenway Biotech, Inc.

May 23, 2015  So, if you're refining 5 ounces of gold, you will need a 1500-milliliter container or about 1 ½ quarts. 2. Add 30 milliliters of nitric acid for every ounce of gold. So, if you're refining 5 ounces of gold, you would need to add 150 milliliters to the container. Allow the gold

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Buy Gold Recovery Chemicals: Nitric Acid, Hydrochloric ...

Aqua regia is a corrosive reagent used to clean glassware and in gold refining processes. It is made by mixing nitric acid and hydrochloric acid in a 1:3 ratio. The name comes from the Latin 'royal water', as it can dissolve gold and platinum - metals associated with royalty. Read more here.

More

Gold Recovery Chemicals E-waste recycling beginners guide

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 ...

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Using Borax Flux to Refine Gold - Manhattan Gold Silver

Aug 07, 2013  In metal refining, a flux is sort of like a cleaning agent because it helps remove impurities from a sample. With some borax, heat, and a little know-how, it’s possible to extract pure gold from a sample of ore. This is because using borax as the flux reduces the melting point of all the elements in a piece of ore, including gold.

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Our Client is using Redox reagents in their Gold refining ...

Aug 17, 2021  Redox regents were efficient in removing copper and silver that enabled our client to refine 95-99% pure gold from the starting material. The reagents used were of such high quality that they enabled a great quality flux, in much the same way as making a great cake starts with quality ingredients – so should gold be refined from high-quality fresh ingredients to produce a better product.

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Aqua Regia: Precipitating Pure Gold Shor International

When working with nitric acid, the amount of urea will vary with each batch and typically, the amount required is pounds. Step 2: Precipitating pure gold (99.95+% pure) There are several different selective precipitants available. If used correctly, all will precipitate gold that

More

Amazon: Duda Energy 1sn 1 lb. Sodium Nitrate ...

Sodium nitrate is used as an ingredient in fertilizers and solid rocket propellants, as well as in glass and pottery enamels; the compound has been mined extensively for those purposes. Sodium nitrate is commonly used in gold refining for making aqua regia which is used for recovery of gold, platinum and other precious metals.

More

Electrolytic Refining: Silver - Gold - Copper

Feb 26, 2017  The process-tree, Fig. 10, gives an outline of the process of gold-refining, and shows the sequence of events in a graphic form. Gold Refining Equipment. A. The Anodes, of the same size as the silver ones shown in Fig. 4, are made from high grade gold-bullion and crude gold- products from both the gold and the silver refining processes.

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Gold Refining Forum Hanbook Vol 1 Nitric Acid Solubility

I refine quite a bit of karat gold. I use the following: 8 oz of Nitrate Soda mixed with 480ml of very hot water and dissolve it. 960ml of HLC (32%) mixed with the nitrate soda and H2O solution. Stir the solution and let it set for about 5 minutes. Salt will form on the bottom of the container.

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