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Home made nitric acid | Gold Refining & Metal Extraction …

Since he's collecting the off gases (NOx) of the reaction in the first two, I think he would be best served just decomposing copper nitrate to CuO and NO2 via: Decomposes: 2 Cu(NO3)2 → 2 CuO + 4 NO2 + O2 Nitric Reaction: 3NO2 + H2O → 2HNO3 + NO Of course this requires that he has copper nitrate on hand. Most of us …

Nitric Acid Supplier in Selangor, Malaysia

ORC Chem is one of the best nitric acid suppliers located in the heart of Selangor. As one of the best nitric acid suppliers, it supplies only the best quality to its clients. Nitric acid is a highly corrosive mineral acid that is colorless. Older samples of nitric acid tend to have a yellow cast due to decomposition into oxides of nitrogen and ...

Does nitric acid damage gold

Help Support Gold Refining Forum: This site may earn a commission from merchant affiliate links, including eBay, Amazon, and others. E. erol Member. Joined ... If I clean this sediment with nitric acid, will nitric acid damage the gold dust . Reply. Martijn Well-known member. Joined Aug 3, 2014 Messages 2,750 Location Netherlands, Zeeland.

Where to buy Nitric | Gold Refining & Metal Extraction Forum

I stopped refining around10 years ago. Started again a couple months ago. My left over nitric from way back. Nitric stored in plastic bottle in plastic bag in box sitting in garage was weak but worked. Nitric stored in glass bottle in holder in box under garage counter was maybe a little weak but worked real well.

3 Easiest Ways to Refine Gold (Step-by-Step Guide)

1. Using Acid. It is most certainly the most common technique to refine and purify your precious metals. In a nutshell, you use hydrochloric acid and nitric acid to remove impurities from gold. After this process, you get a …

Sodium nitrate and HCl issue

Beginners Gold Refining Process Forum . Sodium nitrate and HCl issue. Thread starter Exotic_chew; Start date Oct 9, 2019; Help Support Gold Refining Forum: ... Also is there a way to extract nitric acid from sodium nitrate and hcl mix? Thank you . Reply. Shark Well-known member. Joined Jun 8, 2014 Messages 3,356 Location Alabama.

No nitric acid

The information on the forum is not organized. Sure, I can find information on websites but not on the tutorials category of the forum. Usually these posts are set as sticky and are posts that should be made to be fixed with information you know is completely right, not someone that did something and that worked with no good scientific explanation.

Is this nitric acid substitute any good, | Gold Refining

Adding the required hydrochloric to this will make "poor mans' AR.-or-Adding the correct amount of sulfuric acid will make nitric acid. Assuming it is sodium nitrate, it should work as advertised. But.....following the instructions will be the same as pre-mixing AR. That means, you'll probably have to deNOx your solution every time.

Nitric Acid | Gold Refining & Metal Extraction Forum

Getting nitric acid seems to be a problem for most of you. The last time I bought it was about 2 years ago. I bought a 55 gal drum in Houston. It was used in a large industrial plant so, there were never any problems getting it. I think the name of the company we bought it from was Industrial...

Concentrated nitric acid substitute | Page 3 | Gold Refining …

Beginners Gold Refining Process Forum . ... . Concentrated nitric acid substitute. Thread starter Karion89; Start date Feb 25, 2023; Help Support Gold Refining Forum: ... Member. Joined May 22, 2023 Messages 6. Jun 8, 2023 #41 I have purchased Nitric acid and other chemicals from Xelexo for a number of months now. They …

MX-3 Concentrate | Shor International

From $15.99. A superior, dry, non-hazardous substitute for nitric acid when making aqua regia. This very dense chemical mixture dissolves instantly, making it far more economical to use than sodium nitrate.

Homemade Nitric acid | Gold Refining & Metal Extraction …

I have used this "recipe" with success on e-scrap items: HOMEMADE NITRIC ACID Just mix as follows. (makes about 1.5 quarts) (adjust recipe for the volume you need) Take 1 cup of sodium nitrate and grind it to a fine powder in a blender / food processor. (Don't use the food processor for food again. Go get a cheap one at Goodwill!)

Nitric acid not condensing.

Fuming nitric acid has no use in refining and recovery, it was used as an oxidizer for rocket fuel and would self-ignite if it gets into contact with anything combustible. I've seen some instruction films from NASA where they were handling red fuming nitric acid and it was a bit scary how aggressive that chemical is.

Gold Parting using Nitric Acid

The process of parting gold with nitric acid is old, and probably dates from the discovery of nitric acid itself; it is one of the simplest parting processes, and does not require a costly plant or much manipulative skill. ... Buy Process Equipment. Laboratory Equipment; Rock Crushers; Grinding Mills; Gold Recovery Equipment; Flotation …

nitric vs hydrochcloric as leech | Gold Refining & Metal …

It uses Hcl and peroxide as the starter oxidizer to dissolve the base metals and not gold. Allows you so separate the gold to dissolve alone. Yields cleaner product, slower than AR, but less costly. Hcl is cheap and available at most big box home stores that carry masonry supplies. Nitric is expensive and hard to get for most …

Nitric acid | Gold Refining & Metal Extraction Forum

I don't know how long Dutch pro will be selling it, I used to buy canna which is 38% nitric, but they don't make it any more since the license was introduced, I managed to buy what I could, and I now buy Dutch pro, but seeing as you need a precursor license to own anything over 3% I can't see them being allowed to make it.

AP vs Nitric acid Pros and cons?

AP is slower than nitric is one of the biggest drawbacks I see to it. A second smaller issue is the tendency of strong mixtures of AP (excess heat and/or peroxide) will dissolve some of your gold whereas nitric won't. The dissolved gold is not lost just tied up until the solution gets saturated with dissolved base metals.

GOLD REFINING CHEMICALS – GOLD TESTING …

Kit For Making Aqua Regia Gold Refining JSP 32 oz. Nitric Acid 69.8% & 16 oz. Hydrochloric Acid 31% ... JSP Nitric Acid Substitute Sodium Nitrate for Gold Refining & Recovery - Reagent Grade (4 oz, 8 oz, & …

Using Nitric acid to dissolve Brass | Gold Refining & Metal …

Greetings from another Newbie. My interest here is not strictly about precious metals, but brass. After viewing a few videos on Youtube, I thought to inquire here about using Nitric acid to dissolve brass. The reason for this is hopefully to dissolve/remove a broken fuel jet needle in a carburettor needing rebuild.

Where to buy Nitric Acid near Wichita, Kansas | Gold Refining …

I need about 10 gallons of Nitric Acid to refine some industrial electrical contacts that I've been saving up for the past couple of months. I've contacted multiple chemical companies and the cheapest online company was $16 a gallon. There is a Univar in Wichita, but they do not carry nitric and would have to bring it in from Dallas.

Gold & Platinum Refining by the Acid Method | Shor …

Shor AR3G Aqua Regia Gold & Platinum Refining System. The Shor AR3G Aqua Regia Gold & Platinum Refining System is the latest iteration of Shor's aqua regia system. Very affordable, yet one of the most advanced and safest aqua regia type gold refining systems available. Now with new, magnetic stirrer/hotpla Learn more › From $799.95

Buy Nitric Acid Products, HNO₃ Properties, Uses, …

Buy nitric acid solutions online or order by phone. Watch videos and review product properties, uses, prices, HNO₃ concentrations, grades and safety info.

In lieu of Nitric acid. | Gold Refining & Metal Extraction Forum

If you will use the search bar and search exactly for "nitric acid Canada" If you will find the post from just a few days back and that thread has a few actual products that you can still buy in your country to make nitric acid for refining. There's been countless posts on making your own nitric substitute and some very detailed …

Muriatic acid | Gold Refining & Metal Extraction Forum

Beginners Gold Refining Process Forum ... you would use 4 liters of 30-35%, by weight, muriatic acid and 1 liter of about 67-71%, by weight, nitric acid. philddreamer, Yes, you can use muriatic in HCl/Cl or to drop silver as silver chloride. For most all refining work, you can consider muriatic acid and hydrochloric acid to be the …

Sourcing Nitric Acid in the UK

Salt Peter is most definitely covered by the new legislation. If you have acquired any of the item's listed Reportable substances ammonium nitrate acetone hexamine sulphuric acid potassium nitrate sodium nitrate calcium nitrate calcium ammonium nitrate or some above Concentration threshold hydrogen peroxide:12% w/w …

Concentrated nitric acid substitute | Page 2 | Gold Refining …

The Nitric Acid substitute on Ebay turned out to be Sodium Nitrate crystals.. You just add water. They claim it is a substitute to use in precipitating gold and silver. But since Im not doing that I just shelved it. Anyone ever have experience using sodium nitrate to dissolve anything? Somewhere...

how to make your own nitric acid

The Ammonia reacts with the excess HCL in the solution producing Ammonium Chloride and also reacts with any Nitric Acid to produce Ammonium Nitrate. This way, you solve 2 problems at once. The resulting Calcium Nitrate from the first mix can react with Sufuric acid to produce Calcium Sulphate (precipitate) and very pure Nitric …

nitric acid | Gold Refining & Metal Extraction Forum

Beginners Gold Refining Process Forum . nitric acid. Thread ... i used to buy nitric 42degrees=70%-----at the moment my seller have only nitric36degres=x ... To make 50/50 nitric from 70% nitric, you add 1 liter of acid to 1 liter of water. To make this same exact strength from the 36 baume' (52%) nitric, you add 554ml of water to 1 liter …

subzero...,power nitric acid substitute | Gold Refining

It makes sense to me if you take Hydrochloric Acid (HCl) and add Sodium Nitrate (NaNO3) that a similar reaction would take place and the result would be Hydrochloric Acid (HCl) would become Nitric Acid (HNO3) and Sodium Nitrate (NaNO3) would become Sodium Chloride (NaCl)(precipitated). so in my opinion the component of …

GOLD REFINING CHEMICALS – GOLD TESTING …

JSP Nitric Acid Substitute Sodium Nitrate for Gold Refining & Recovery - Reagent Grade (4 oz, 8 oz, & 16 oz bag)

alternative to nitric acid | Gold Refining & Metal Extraction …

If you are wanting to dissolve away a lot of base metals, then you really need reasonably concentrated Nitric acid, if you are just wanting to refine some foils, the …

Questions about lazersteve's cold nitric acid recipe | Page 3 | Gold …

Bisulfate in water can be used as a substitute for dilute sulfuric acid in many instances and should work for pickling gold. The bisulfate provides the acidic hydrogen needed to convert the sodium nitrate into nitric acid. I have not tried this reaction with potassium nitrate. Give it a try and let us know what you find. Steve

Nitric (refining) Acid Substitute 8 oz Lab Grade Malaysia

Shop Nitric (refining) Acid Substitute 8 oz Lab Grade Gold Silver Refining Metals JSP online at a best price in Malaysia. Get special offers, deals, discounts & fast delivery options on international shipping with every purchase on Ubuy Malaysia. 0

Sodium nitrate..

Help Support Gold Refining Forum: This site may earn a commission from merchant affiliate links, including eBay, Amazon, and others. 1; 2; Next. 1 of 2 Go to page. ... If you plan to use sodium nitrate as a substitute for nitric acid to make AR (Nitric acid/HCl), yes. It's called Poorman's Aqua Regia. If you plan to use it for dissolving silver ...

Buying Nitric Acid | Page 2 | Gold Refining & Metal …

Help Support Gold Refining Forum: This site may earn a commission from merchant affiliate links, including eBay, Amazon, and others. Prev. 1; 2; First Prev 2 of 2 ... I have some from an Ebay buy. It called it Nitric Acid substitute and came in white crystals. Didnt seem to be doing anything to lead so I shelved it. Anyone have luck dissolving ...