sodium nitrate | Gold Refining & Metal Extraction Forum

have been looking for sodium nitrate in order to try to make nitric acid.ebay is so expensive,have searched online, and found a bottle,which i am unsure if it will work or not,its the best price ive seen so far,($14.50 with free shipping for a 32 oz bottle link is...

alternative to nitric acid

I would then look for a fertilizer called nitrate of soda (sodium nitrate, NaNO3). If i could not find that, I would try to find a stump killer that has a composition of potassium nitrate (KNO3) Then I would try to find sulfuric acid (battery acid [low concentration of H2SO4] or drain cleaner thats in a bottle, inside its own bag. [its 98% ...

Sodium Nitrate

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poor mans aqua regia | Gold Refining & Metal …

Used to dissolve high karat gold, gold powder, gold foils, dissolves Platinum when hot. Excess nitric must be evaporated off neutralized with Urea to pH 1 +/- 0.4, then drop gold with SMB. The …

Nitric acid question

First I should explain what I have done first. I started with the recipe for nitric acid of: ½ cup sodium nitrate dissolved in 16 oz hot distilled water, add 1 quart battery acid. I then converted to the same units of volume and divided by a factor of 4 as below to make a small test batch. ½ cup = 4oz / 4 = 1oz or 6tsp or 2tbsp 15-0-0 nitrate of soda …

Aqua Regia: Precipitating Pure Gold | Shor International

If there is gold in the solution, go back and refine a second time. Otherwise, you're ready to decant your solution. Step 4: Decanting your precipitate. It's now time to gather your gold. Decant the precipitate out of the container, making sure to leave your gold particles inside your container. If you're using sodium metabisulfite:

SODIUM NITRATE vs POTASSIUM NITRATE

>>Do I use the same amount of KNO3 as the NaNO3? In essence, how many grams of potassium nitrate is required vs sodium nitrate to make 1 liter of aqua regia? Thank you in advance! << You need to use a slightly different amount. The equivalent amount of potassium nitrate is 269.772g.

Silver reaction With Potassium Nitrate. | Gold Refining

Potassium nitrate KNO3 or sodium nitrate NaNO3 when mixed with sulfuric acid H2SO4 will form nitric acid and potassium or sodium sulfate. 2 KNO3 + H2SO4 --> 2HNO3 + K2SO4 Silver would form silver sulfate, only very slightly soluble (mostly silver sulfate salt in bottom of beaker). The silver sulfate is much trouble to convert back to …

Sodium Nitrate | Gold Refining & Metal Extraction Forum

This is a question for fellow Canadians (or Canadiens for those who are of French descent). I am looking to make a batch of poor mans AR. I want to know if anyone knows where I can get some sodium nitrate locally. I am also looking for Sodium Metabisulfite and Urea pellets. I have ordered...

Guidelines on flux calculation gold smelting

Furthermore use of sodium rather than potassium nitrate is advised, and the presence of moisture in the crucible charge should be avoided. At an addition of merely 1 to 3kg flux …

Homemade Nitric acid | Gold Refining & Metal Extraction …

I started off my turning my calcium ammonium nitrate into sodium nitrate. I added 80 grams to a container, I added the 50 ml of water and disolved it. I added 100ml of muriatic acid. ( Muriatic is 31 percent). Then added copper to it. The liquid began to raise as I was adding the muratic, and was fizzing pretty bad.

Refining Karat Gold and Silver Jewelry using …

1 - Inquarting low karat gold jewelry with silver (base metal). 2 - Silver digestion with nitric acid. 3 - Gold digestion with Aqua Regia. 4 - Gold precipitation with Sodium Metabisulfite. 5 - Washing and drying the …

Pyrometallurgy: Roasting, Smelting, Refining & Electrowinning

To participate in the 911Metallurgist Forums, be sure to JOIN & LOGIN; Use Add New Topic to ask a New Question/Discussion about Pyrometallurgy and Electrometallurgy.; OR Select a Topic that Interests you.; Use Add Reply = to Reply/Participate in a Topic/Discussion (most frequent). Using Add Reply allows you to Attach Images or PDF …

sodium nitrate and sulphuric acid to separate gold & silver

Hi there, I am new to this site and I have trawled through to find the answer however couldn't so I'm sorry if I have started a new thread unnecessarily. I am fairly au fait on the processes surrounding parting and refining gold (inquarting, nitric acid & H20 and aqua regia etc). However I live in the UK where nitric acid has recently become a …

Sodium nitrate ratios fo AR help please!!!

1. When used to dissolve gold powders use 4 mL of 31% HCl per gram of gold plus: 1.343 g NaNO3 (sodium nitrate) per gram of gold to be dissolved. or. 1.597 g KNO3 (potassium nitrate) per gram of gold to be dissolved. 2. When used to dissolve …

Help with Sodium Nitrate mixture

Hi, I am having a major problem Lazer steves Nitric acid procedure. Here is how i do it,.its for a 5x batch of lazer steves recipe Bring 500 ml of dstilled water to a boil I start adding 25ml of sodium nitrate at a time until all 800grams of sodium nitrate is boiling in solution . It looks like it is all mixed in solution and i even boil for a additional 10 …

Sodium Nitrate | Gold Refining & Metal Extraction Forum

Hello, Anyone willing to sell a few pounds of Sodium Nitrate ? I want to try to make nitric with, it's supposed to make greater concentration Nitric acid. Sodium Nitrate is more than twice as soluble as Potassium nitrate at 30°C. Or anyone has a good source in Canada ? I'll pay for the NaNO3 + shippping to me. Thanks a lot.

making nitric acid | Gold Refining & Metal Extraction Forum

I have been making nitric for awhile now using concentrated sulphuric acid and a saturated solution of sodium nitrate and water. Since I use a fair amount of this acid, my recipe for volume is 2000 ml of distilled water, 3.4 kilograms of sodium nitrate, and 1120 ml of 98% sulphuric acid. Heat the water to boiling to dissolve all the sodium nitrate.

Gold & Platinum Refining by the Salt Water Method

Sodium metabisulfite. Sodium metabisulfite is an affordable and effective selective precipitant for gold. This chemical can recover up to 99.95% of pure gold when the precipitated gold is thoroughly rinsed. It works well even at room temperature. Learn more › …

Gold & Platinum Refining by the Acid Method | Shor …

We also have all of the chemicals you need for refining, including both chemical compounds and mixtures developed by Shor R&D (such as Quadratic and MX3), complete chemical kits like the Aqua Regia Starter Kit, as well as the more common chemicals such as sodium nitrate and sodium metabisulfite. All at very competitive prices.

Reducing Silver nitrate to metallic silver | Page 2 | Gold Refining

I got the method 2 years ago from a sterling refiner processing 30,000 ounce batches, we scaled down to 1000 ounces a day because we melt 350 ounces of karat gold scrap in with the 1000 ounces of silver (essentially inquarting) and digest the alloy in 50% nitric. The gold doesn't react and is...

sodium nitrate | Gold Refining & Metal Extraction Forum

The simplest way to look at this is the ratio of NaNO3 to HNO3. 85 grams NaNO3 / 63 grams HNO3 = ~1.35 So whatever your molar mass of nitric acid needed just multiply 1.35 to get the mass of Sodium Nitrate needed. Be sure to correct for percentage concentration. For example: If 1 liter of 70% HNO3 weighs 1420 grams then the mass of …

Silver refining to 999 fine

Many people go with 30-35% nitric, or 1:1 ratio. Use larger beaker than you need. If it , it wont make it through the edge best is not to cross 50-60% of the vessel volume. Rough estimate is cca 35-45 ml of conc. nitric for ozt of silver.

Sodium Nitrate

Sodium Nitrate can be found in large yellow minerals on many planets, which require an Advanced Mining Laser to mine. It can also be created by refining Sodium . Refining Sodium Nitrate

Help with HCl and Bleach

2Au + 6HCl + 3NaClO --> 2AuCl3 + 3NaCl + 3H2O From the equation theoretically, two moles of gold (2 x 196.97 grams) or 393.94 grams of gold will react with six moles of HCl acid (6 x 36.46g) or 218.77 grams of HCl and three moles of sodium hypochlorite (3 x 0.0134g) or 0.0402 grams of NaClO -----> to yield two moles of gold …

Sodium nitrate..

So im having a problem finding nitric acid. I eas distilling it from potassium nitrate and sulfuric acid. But i broke my glass tarp anyways so untill i get a new one. I need a nitric source. So does sodium nitrate which says its a nitric acid subsitute work? Or should i just wait till i can make...

difference between soda of nitrate and sodium nitrate? | Gold Refining …

ok given that there isn't much of a difference between the 15-0-0 and the 16-0-0 versions of sodium nitrate which is better? and what are the specs for technical grade sodium nitrate? I've seen that too for about $20 for 5 lbs. where are I have found the 15-0-0 and the 16-0-0 soda of nitrate for about $5 for 4 lbs.

sodium nitrate | Gold Refining & Metal Extraction Forum

Feb 25, 2009. #5. So, to answer Arthurs original question, using 1.205 liters of 70 percent nitric to disolve one pound of copper, and one liter of 70 containing 994 …

Sodium Nitrate, 50 lb [snbags] | DudaDiesel Biodiesel Supplies

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.

Nitric acid question

First I should explain what I have done first. I started with the recipe for nitric acid of: ½ cup sodium nitrate dissolved in 16 oz hot distilled water, add 1 quart battery …

Sodium nitrate.. | Page 2 | Gold Refining & Metal Extraction …

You can use the carbonate conversion reaction I cited above to get a decent idea of your starting nitrate percentage by mass. Perform a small scale conversion and weigh the resulting dry MgCO3 yield. From this information you can closely determine your starting nitrate content .

Sodium nitrate and HCl issue | Gold Refining & Metal …

Hi there, Been trying to make some nitric acid with sodium nitrate. But there is the problem, whenever I add HCl to sodium nitrate it bubbles and s out of the beaker. I'm suspecting my so called sodium nitrate is something else.

How to Choose Gold Smelting Flux

Sodium Nitrate. Some types of flux are good at oxidizing specific metals. Sodium Nitrate belongs to this class of flux elements. Sodium nitrate oxidizes metals like iron, copper, and zinc by liberating oxygen at a …

Sodium Nitrate

Sodium Nitrate is a resource. Sodium Nitrate (Na+) is a resource and one of the catalyst elements. An advanced catalyst, useful for charging defensive technologies such as shields or hazard protection. Created in a Refiner, or occasionally found in crystalline form on a planet's surface. Offers a substantially improved energy-per-gram ratio over regular …

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