extracting and processing of gold and platinum iron

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    Gold Refining using Aqua Regia, Dislolve gold

    Dissolving Gold in an Aqua Regia Solution is a Gold Refining Process Gold . Gold is always combined with other metals such as iron, silver, copper, platinum, etc. few options available to selectively extract and separate gold from the other.

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    Patent US915705 - Process of extracting gold, platinum, silver .

    Process of extracting gold, platinum, silver, nickel, copper. &c. bases, earthy bases and some metallic oxids properly so called, such as protoxid of iron.

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    Extraction of Gold

    The extraction of gold by the cyanide-method is of great technical importance. In the electrolytic precipitation of the gold an iron anode and a sheet-lead cathode are . Part of the platinum is dissolved out by the treatment with nitric acid.

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    Extraction and Refining of the Platinum Metals - Johnson Matthey .

    basic process for extraction of the platinum metals has . together with some gold, total about fifty ounces to the ton. to flux iron oxide and any excess soda; this.

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    Mineral Resources - Tulane University

    Mar 20, 2012 . It is least costly to extract the iron from oxide minerals like hematite . biotite, the concentration of iron in these minerals is less, and cost of extraction is .. concentrations of Chromium, Titanium, Platinum, Nickel, and Iron. Rich deposits of copper, zinc, lead, gold, silver, tin, mercury, and molybdenum r.

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    Gold Mining - Everything Maths and Science

    . marketing. We will take a brief look at exploration, extraction and refining... to humankind. Many other minerals are useful such as copper, iron and platinum.

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    How were the minerals (gold, iron, copper, silver) located, obtained .

    Gold Gold was probably the first metal that was known to ancient civilizations. difficult to extract silver from its ore, due to the complicated process involved, . Precious Metals: Who assigns bronze (copper), silver, gold and platinum their.

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    How do i separate gold from sulphides without using chemicals or .

    Jun 26, 2009 . I'd guess that to extract a value of gold in the $millions he would have tons(literal) of . If it's a fine powder I guess it has been through a process already.. Gold, silver platinum, pladium, copper, aluminum, tantilum and Iron.

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    the recovery of platinum, palladium, and gold from a . - SAIMM

    and palladium over the base metals, copper, and iron, was achieved with Amberlite PWA-5. downstream processes to recover the precious and platinum group metals ... Fleming, C.A. and Cromberge, G. The extraction of gold from cyanide.

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