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https://www.quora.com/How-do-I-separate-gold-from-other-metals-like-silver-aluminum-etc
Sep 08, 2017 · How do I separate gold from other metals like silver, aluminum etc? This can only be done by refining the alloy. Normally it would be sent to a refiner, as the materials needed are dangerous (e.g., acids) and you would have to know quite a bit of chemistry to do it safely as well as effectively.
https://en.wikipedia.org/wiki/Gold_Parting
Jan 24, 2010 · This process separates metals through evaporation of the more volatile metals (such as silver, zinc, selenium, lead, etc.) from the metal-base (gold and other less volatile metals) in a single or more working stage/cycle and recovering the metals more volatile by distillation/condensation on one or more water cooled condenser/gatherer.
https://sciencing.com/poor-mans-method-smelting-gold-8649681.html
You can remove the most common metals found in gold ore (copper, zinc and lead) using elements that bond with oxygen at lower temperatures than gold.
https://www.quora.com/Could-you-separate-gold-if-it-was-mixed-melted-with-other-metals
Jan 24, 2017 · Heat the circuitPlace the circuit inside the furnace, and begin heating the furnace. Wait until the heat inside the furnace reaches a temperature of around 1200 degrees Celsius. Make the slagOn top of the gold-plated circuit, mix the silica and sodium …
https://ourpastimes.com/separate-gold-specks-real-gold-8431176.html
Apr 12, 2017 · Fool's gold, the mineral pyrite, has a metallic luster and gray or black streaks, and feels heavy for its size, although real gold is denser. Panning for gold and knowing how to separate it from fool's gold takes practice and an ability to work quickly with a prospector's pan.
https://goldrefiningforum.com/phpBB3/viewtopic.php?t=13849
Sep 28, 2017 · 1. Take 100 grams of 14k gold jewelry 2. Alloy this 100 grams with 500 grams of copper to get just less than 20% pure gold (1/5 is 20% but you have to account for 14k content, which is about 58% gold) 3. SMELT the 14k jewelry with the 500 grams of copper and then drip pour slowly into water to get cornflake type of material 4.
https://www.doityourself.com/stry/how-to-separate-precious-metal
Continue to heat the slag until you can observe the molten gold begin to dissolve away from the rest of the slag. This occurs because of the melting point and the density of the gold as compared with the different melting points and densities of the other metal components of the slag. The gold should slip down into the smelting vessel.
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