need help bad with black sand | Gold Refining & Metal Extraction Forum
this is just a test to see if gold is in the sand and give you an idea of how much. get a glass quart jar with a plastic lid. put a couple of cups of the black sands in the jar and add 200 ml of muriatic acid and put the lid on and give it a good shake up and down. make sure all the sand is wet with the acid. remove the lid and add 50 ml of …
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Electronic boards from cellphone and computer | Page 3 | Gold Refining …
Hi, I have tried some PCB pyrolizing to recover the copper, my choice of material was RAM sticks after removing the IC and the fingers. The result was as follows: 1) Pyrolizing was a nightmare allthough I have used a pressure coocker (full stainless steel with lid and pressure valve) and the exiting gases were lit on fire and burned (wasn`t …
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Smelting Operations in Thailand
If they are predominantly refining silver with a little gold, they may be adding copper to get to the 75% mark in a combination of silver + copper and then parting. Either way would work. In the second video, the color of the parting liquid they pour off is not a deep blue you would expect if it were all copper.
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Gold Refining, Recycling, Recovery Machines
We design and produce all kinds of machines and equipment using plastic materials (like corrosion proof, pp, pvc) ... Waste Burning Oven: Sink For Jewelleriest: Mill With Ball: Water Cooling Unit: Revolving Oven: ... Gold Refining Machines, Gold Refining Plants, Gold Scrap, Recycling Machinery, Gold Refinery, Refining Equipments, Gold Recovery ...
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New ram IC chips processing? | Page 5 | Gold Refining
If the ICs are not fully pyrolysed, you will see funky flames dancing above the material, smoke and you will strongly smell burning plastic. Incineration is the "harder" part because the pyrolysed material does not burn very well. It's like the comparison between hard coal and charcoal.
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Dissolving an unknown Polymer | Gold Refining & Metal Extraction Forum
Hi, I was just wondering if there is anyone who has any knowledge of dissolving a very hard polymer (which unfortunately I have no MSDS). I have tried burning (creates a big mess plus the fumes are seriously toxic).tried piranha just touches the outer layer. The only thing which will dissolve it is acetone but it has to be soaked for a min of …
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Glass or plastic container....? | Gold Refining & Metal Extraction Forum
Help Support Gold Refining Forum: This site may earn a commission from merchant affiliate links, including eBay, Amazon, and others. G. goldfever007 Active member. Joined Mar 22, 2018 Messages 39. May 3, 2018 #1 ... Even the gold will adhere to plastic and some will be adsorbed by it. All glass is not the same.
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IC chips gold recovery
Help Support Gold Refining Forum: This site may earn a commission from merchant affiliate links, including eBay, Amazon, and others. 1; 2; 3 ... And: I know you tube is by-passing us in this but i really must warn you for the dangers of burning epoxy, PVC, and other plastics.
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Acid burns
Besides the mild acid burns my stripping the mother boards of the gold foils is coming along great i had about 11 pounds of mother but only gold fingers and other parts of gold plated mother boards i trimmed them up real good no solder in it and i put like one liter of nitric acid and a half gallon of sulfuric acid and its stripping the gold off just fine i …
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Experience with Simplicity gold refining
Does anyone here have an opinion about the Simplicity gold refining system by Shor?
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Smelting Operations in Thailand
I used to have quite a few Asian jewellers as customers and their method to refine was to add copper and use nitric to remove the impurities, it's the standard …
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What's new | Gold Refining & Metal Extraction Forum
Help Support Gold Refining Forum: This site may earn a commission from merchant affiliate links, including eBay, Amazon, and others. What's new New posts Latest activity. ... General Gold Refining Discussion; Replies 10 Views 259. Today at 4:04 PM. Nevadayote. S. For Sale Lot pcb pre1985. stranur; Yesterday at 2:24 PM; For Sale, …
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what is the best way of processing filter papers | Gold Refining
stainless steel pot. I use a corning skillet, propane stove and a torch, incineration is not melting, incinerate powder to glow red, plenty of oxygen from air or torch will help to oxidize metals, Note start with low heat to drive off water, nitrates and then chlorides then sulfates before raising temp to red hot, after powders dried heat will …
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Introduction and practical puzzle | Gold Refining & Metal Extraction Forum
Help Support Gold Refining Forum: This site may earn a commission from merchant affiliate links, including eBay, Amazon, and others. S. stickle New member. Joined Jul 30, 2019 Messages 3. Jul 31, 2019 #1 ... In honesty why use chemicals when the plastic will burn off, exposed to air most plastics will burn and crumble allowing you to …
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Plasma Cutter | Gold Refining & Metal Extraction Forum
The plasma cutter will go through any metal you throw at it, for instance my 70 amp will cut 28mm thickness with a clean cut, a severance cut will be much thicker bit not very pretty I have cut miles and miles of steel cable from 3 inches in diameter down using an acetylene torch and this sucks big time, the plasma cutter zips right through - …
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Cleaning circuit boards before refining | Gold Refining
Beginners Gold Refining Process Forum . Cleaning circuit boards before refining. Thread starter masonwebb; Start date Apr 28, 2013; Help Support Gold Refining Forum: ... If these plastics end up with valuable powders or foils, incineration will burn off the plastic, but I suspect the gases formed in the reaction could also carry gold in these ...
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Plastic Scrap in Maryland | Gold Refining & Metal Extraction Forum
Plastic Scrap in Maryland. Thread starter chaple-2008; Start date Jul 15, 2011; Help Support Gold Refining Forum: ...
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Incineration | Gold Refining & Metal Extraction Forum
The bulk of plastic items don't burn well, turning to oil instead when heated. However, once they reach critical temperature, they often erupt in flame much like you'd expect from burning fuel. Do not incinerate in a hood that is flammable, nor on a countertop that has a wooden base under the burner.
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recovery from ink ribbons! | Gold Refining & Metal Extraction Forum
Hi all you out there on GRF So, im having a very annoying problem with the ink cardrige gold plated " ribbons "Cant seem to figure out, how to get the acid in between the two layers of plastic and dissolve the gold, without cutting them into very small strips! Any ideas og experience will be great! Pictures attached are from a run in Aqua Regia …
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Smelting,melting and incinerating
4metals suggested I start this thread to clarify some misuse of terminolgy,and to give and get help on this confusing subject. Incinerating:Burning off exterior contaminents and preparing material to be processed via acids. Smelting:Seperating,fully or partially,metals while in molten state...
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Gold Mining In Thailand
Browse gold mining mines in Thailand by region—including Chanthaburi, Chiang Rai, Loei.
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Everything You Need to Know about the Gold Smelting Process
In this section, we will delve into the profit potential of refining scrap gold, explore real-life case studies and examples of profitable refining businesses, and …
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Beginner questions and mistakes
Beginners Gold Refining Process Forum . Beginner questions and mistakes. Thread starter Grelko; Start date May 13, 2015; Help Support Gold Refining Forum: ... Some smells are VERY noticable, like burning plastic for example and, you should know which is which and hopefully know what to do in certain situations.
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not CPU)
Stowmaster, that is plastic top BGA:s, no cheramics. Don't mix the tops with the small circuit boards. The gold bond wires are all inside the plastic part with the silicon die. It is easy to rip it off the board before incineration. After the incineration you would have some copper and the gold bond wires mixed in with the ash and silicon dies.
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Pyrolysis, incineration and melting purpose | Gold Refining …
Help Support Gold Refining Forum: This site may earn a commission from merchant affiliate links, including eBay, Amazon, and others. ... The most important is to burn off all of the organics (epoxies and other plastics) in a reducing environment to ensure that you are not releasing all of the nasty to breathe molecules into the air for you …
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Plastic
You bet it's Precious Plastic! Reply. patnor1011 Well-known member. Joined May 22, 2008 Messages 4,266 Location limerick. Apr 23, 2016 #8 That machines these guys built are fantastic. Try to buy one somewhere and you will be charged tens of thousands. ... Beginners Gold Refining Process Forum. My results of specific types of …
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incineration of plated pins WITH their plastic casing | Page 2 | Gold …
incineration of plated pins WITH their plastic casing. Thread starter frank-20011; Start date Oct 25, 2016; Help Support Gold Refining Forum: This site may earn a commission from merchant affiliate links, including eBay, Amazon, and others. Prev. 1; 2; First ... Why burn or acid-etch pins if they don't contain gold? We have a saying: not all ...
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Stock pot processing | Gold Refining & Metal Extraction Forum
Help Support Gold Refining Forum: This site may earn a commission from merchant affiliate links, including eBay, Amazon, and others. Dbaschiera Member. Joined Mar 2, 2020 Messages 19 ... A simple cure for your concerns would be to place your stockpot solutions into a plastic container, put a loose fitting lid on and then place that …
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