Gold Fingers
The fingers are then covered with Hydrochloric acid (HCl) 30-32%. The acid can be diluted a bit with water if needed, but do not exceed 2:1 V/V (acid/water) ratio. Small amount of Copper Chloride solution is then …
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pgm electrorefining | Gold Refining & Metal Extraction Forum
hello friends, I am willing to start separating my pgm black that I recover regularly using electrorefining, my mix is 55% palladium,13% platinum,4% rhodium,23% lead,3% copper,2% iron, I know the basic principles of electrorefining, but I need to know the needed voltage for each metal and the needed current, in addition to the used …
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Questons on using the AP method
also another thing i was wondering in the videos where he was precipitating the gold the solution is in a large glass jar with a cover. What are those called i would like to find a couple. and i am going to try the AP method sometime in the next couple weeks or so. i live where its cold and average daytime temps are in the 40s and night time in the …
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Induction coil refining
3000 Hz, 50 kw., built by Ajax Magnethermic. Dam harold. :shock: you melting cannon balls. Check this out. You like acid and induction. So why not both. lol Method for reclamation of precious metals from circuit board scrap Inventor(s) Michael K. Fitch Application No. 719506 filed on BACKGROUND 1. Field of Invention This …
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Selling Platinum from Ore
Help Support Gold Refining Forum: This site may earn a commission from merchant affiliate links, including eBay, Amazon, and others. ... Remember when you posted the following on Oct. 8th on the Aqua Regia/Sub Zero forum about a ... He ended up getting an article in the Smithsonian magazine for his discovery and methods of …
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precipitating gold with SMB
if you look around this forum a lot more, you will find the answers to your questions here is a quick recap us here like to remove as much base metal as possible, pretty much all of it for most reactions. 1.2 times the amount of SMB to gold weight. urea is not recommended here for AR. search the forum "urea" and see, it's very popular …
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Shor International Method
Hello, I used the method outlined by Shor - I used AR 3:1 instead of there Nitric substitute. I dissolved gold plated on copper - board scrap- Then I used urea to remove the nitric -solution dark emarald green. I used their storm precip., and no Au fell out of solution. What...
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GMAW / MAG welding of stainless steels | Linde
Explore Linde's process gases for GMAW/MAG welding using solid filler or metal-cored wires for all stainless steels - from standard chromium nickel to superaustenitic & from duplex to ferritic
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Anyone know how the Shor Simplicity System works? | Gold Refining …
I have asked Shor for the MSDS sheets for the chemicals they supply for the acid system. What I got did not meet the requirements of the Federal Government. They listed the chemicals by the name of storm precipitant, but did not list what chemicals it was comprised of. Same thing for the "Sub Zero".
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Shor International
Shor International sells tools and supplies for precious metal refining (gold, sliver, platinum and more!), jewelry making, silversmithing, polishing, weapons cleaning, and much more. Refine gold and other precious …
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Acid Peroxide Process Information Thread Q & A's | Gold Refining
The purpose of this thread is to begin to consolidate the vast amount of questions and answers related to the Acid Peroxide (aka AP) recovery process. First and foremost, the name for the process, Acid Peroxide is a misnomer as the active ingredient is actually copper II chloride (CuCl2), so it...
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Subzero | Shor International
Subzero. A dry, powdered, non-hazardous replacement for nitric acid when making aqua regia with muriatic acid. Nitric acid is highly corrosive and highly toxic nitric oxide fumes when used in the aqua regia process of …
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processing a failed batch | Gold Refining & Metal Extraction …
Hey everyone. I'm new to gold refining and have some questions. I came upon this project when my uncle asked if I could try and recover the gold from some DSL equipment racks he pulled from an apartment building. I started with a google search and found Shor International before having...
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Complete process and equipment solutions for …
The Suzdal plant in Kazakhstan was the first BIOX plant to operate at sub-zero temperatures. The original design capacity of the plant was 192 t/day of concentrate at 12% sulfide sulfur. Detailed heat …
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Subzero | Shor International
Nitric acid is highly corrosive and highly toxic nitric oxide fumes when used in the aqua regia process of refining precious metal. Additionally, it is expensive and difficult to obtain. By using Subzero instead of nitric acid, nitric oxide fumes are completely eliminated.
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How is Gold Refined? – bullionhub
Gold refining is the process of removing impurities from raw gold to achieve a higher level of purity. When gold is mined, it often comes mixed with other …
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All disks contain platinum
"Information storage requirements continue to expand at rapid rates, fuelled by the growing use of computers for video and audio applications. Today, all hard disks contain platinum in their magnetic layers, compared with around 50 per cent in 1997. The proportion of platinum in the magnetic...
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Mono-Atomic Gold Refining
The following patent also outlines the method of refining gold from ore which when tested shows no gold content. ... This procedure leads to a greater degree of sub-division to provide smaller clusters of gold chloride. At the end of this procedure an orangish-red salt of gold chloride is obtained. The salt will analyze as substantially pure ...
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Best material for crucible
Help Support Gold Refining Forum: This site may earn a commission from merchant affiliate links, including eBay, Amazon, and others. ... The second method mentioned was compression. Compression requires a different mold, one that can withstand the pressure required to compact MgO with a H-press — I think I was going to need to …
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methods of gold refining
Gold Refining Methods | eHow. Gold Refining Methods.With gold prices hovering at around $950 an ounce, gold refining companies are in demand as jewelers and pawn shops continue to buy gold … » More detailed Gold Refining Techniques | eHow. Gold refining, or parting, is used to separate gold from …
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3 Easiest Ways to Refine Gold (Step-by-Step Guide)
Method 3: Gold Melting Furnace. This is your ultimate heat therapy. It uses blazing-hot temperatures to melt the metal and part ways with impurities, leading to purer, shinier gold. This method can handle big-time gold …
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Silver Assaying
Help Support Gold Refining Forum: This site may earn a commission from merchant affiliate links, including eBay, Amazon, and others. ... and the air. This is normal for silver. Depending on your equipment, temperature, etc, the loss can vary between near zero and up to 2%. The more you practice and the better you get, the smaller your loss …
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Gold Refining Without acids
I don't think there is such thing as zero harm to environment. especially when dealing with acids and heavy metals. there is always some fumes, residue... even production of acids is not always environmentally innocent. but the question was if there is method without acids. I havent heard of it and if there was, I don't think it would be any …
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Starting from zero
The best, most productive method depends on what material you plan to process. There is no one best method to do everything. Follow Yggdrasils advice, then post the material you have and your planned method of choice. We (the forum) can read it over and give advice based the material and methods of choice.
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Storing acids in sub zero temps | Gold Refining & Metal …
Hello gents, I have a question to pose that I couldn't find in a search, I have 1 gallon of Hcl which came in a plastic jug marked muratic & it is placed inside a 5 gal. bucket with a screw on lid, I also have 1 gal. of 69% Nitric that came in an amber PTE lined glass jug that is also in its...
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HCL/CL Method | Gold Refining & Metal Extraction Forum
After reading some of the thread here, If i did not understand wrongly, By using HCL/Cl method can do the same job as AR dissolve gold and precipitate with SMB. But i see the advantage here if we use AR there will be a need to drive off the nitric and if using HCL/CL method we will just need to set it in a open container for 24HR and the ...
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Flatpack, IC's and RAM chips method | Gold Refining
in the first picture, of the burnt chips on paper, at the top of the screen it looks like im seeing gold fibers at the botom of the pan. when i get to this piont and there is to much solder or copper in the mix, i put it back in the pan, burn it again and recrush it to reduce the small chunks of plastic down to powder, then pan again, youll start seeing …
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A systematic review of sustainable gold extraction from raw …
Gold-containing Mercury/Antimony: A xanthate collector with cyclic alcohol frother (e.g. pine oil) together with dithiophosphate can be very effective at alkaline pH …
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Unique method to make sure all nitric is destroyed before …
Hello All! After many experiments, I noticed that the best way to make sure that all nitric is destroyed is to take a drop of aquaregia and test it using only one drop of stannous chloride, if gold is above 70 PPM, it will turn dark, and if there is any nitric it will light again, if there is no nitric at all it will keep dark.
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GOLD REFINING BY AQUA REGIA
Gold refining in aqua regia. We produce two types of gold refining units: static plants and rotary plants +39 0575 420100; info@balestritechnologies; Home; Refining. Gold refining. Gold …
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