Patent US3988415 - Recovery of precious metal values from ores

Patent US3988415 - Recovery of precious metal values from ores

Oct 26 1976 Gold silver and platinum are particularly amenable to recovery from complex from ammonium chloride potassium chloride sodium chloride berrylium The ratio of nitrate-chloride mixture to ore used in this process is not

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Refining Electronic Scrap---- Can t get nitric acid any more - Finishing

Refining Electronic Scrap---- Can t get nitric acid any more - Finishing

P.S. I use hydrazine sulfate to drop the gold out of diluted aqua regia. A. I cut up clean gold plated scrap put 1 lb potassium nitrate stump remover (or other

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Aqua Regia - Alchemy Forums

Aqua Regia - Alchemy Forums

First things first nitric acid alone does not act on pure gold anyone who tells you that. and concise method of refining gold via the aqua regia method for free. . Using ammonium nitrate solution in a narrow necked flask with some . form of nitrate i.e potassium nitrate or sodium nitrate and since we will

Get Price
Refining Electronic Scrap---- Can t get nitric acid any more - Finishing

Refining Electronic Scrap---- Can t get nitric acid any more - Finishing

P.S. I use hydrazine sulfate to drop the gold out of diluted aqua regia. A. I cut up clean gold plated scrap put 1 lb potassium nitrate stump remover (or other

Get Price
Making aqua regia Archive - Gold-Silver Forums

Making aqua regia Archive - Gold-Silver Forums

an interesting question but my use for aqua regia is to test gold rather than gardening supply store labeled as stump remover (potassium nitrate). . CC no dogs from here either i think this (and the gold refining forum) are

Get Price
Aqua Regia - Alchemy Forums

Aqua Regia - Alchemy Forums

First things first nitric acid alone does not act on pure gold anyone who tells you that. and concise method of refining gold via the aqua regia method for free. . Using ammonium nitrate solution in a narrow necked flask with some . form of nitrate i.e potassium nitrate or sodium nitrate and since we will

Get Price
Patent US3988415 - Recovery of precious metal values from ores

Patent US3988415 - Recovery of precious metal values from ores

Oct 26 1976 Gold silver and platinum are particularly amenable to recovery from complex from ammonium chloride potassium chloride sodium chloride berrylium The ratio of nitrate-chloride mixture to ore used in this process is not

Get Price
Historic Gold Ore processing methods -

Historic Gold Ore processing methods -

Methods of processing gold ore using historic proceedures. Nitre (potassium-nitrate) is used to oxidize the base metals that they may pass into the slag but it

Get Price
Making aqua regia Archive - Gold-Silver Forums

Making aqua regia Archive - Gold-Silver Forums

an interesting question but my use for aqua regia is to test gold rather than gardening supply store labeled as stump remover (potassium nitrate). . CC no dogs from here either i think this (and the gold refining forum) are

Get Price
Make Nitric acid - The Complete Guide - All - Instructables

Make Nitric acid - The Complete Guide - All - Instructables

Any source of nitrate is usable including potassium nitrate ammonium nitrate and of ammonia is done by the Ostwald process using a platinum-rhodium catalyst. I personally need it to make aqua regia as I am playing with gold refining.

Get Price
75 Gold Recovery Methods - Scribd

75 Gold Recovery Methods - Scribd

75 Gold Recovery Methods - Free download as PDF File (.pdf) Text File (.txt) or read metal (chunks bars or powder) oxalic acid ferrosulphate or sodium nitrate. . uses an excess of iodine dissolved in potassium iodide in aqueous solution.

Get Price
Potassium nitrate

Potassium nitrate

known complete purification process for potassium nitrate was mineral) by boiling it with minimal water and using only

Get Price
Historic Gold Ore processing methods -

Historic Gold Ore processing methods -

Methods of processing gold ore using historic proceedures. Nitre (potassium-nitrate) is used to oxidize the base metals that they may pass into the slag but it

Get Price
75 Gold Recovery Methods - Scribd

75 Gold Recovery Methods - Scribd

75 Gold Recovery Methods - Free download as PDF File (.pdf) Text File (.txt) or read metal (chunks bars or powder) oxalic acid ferrosulphate or sodium nitrate. . uses an excess of iodine dissolved in potassium iodide in aqueous solution.

Get Price
Potassium nitrate

Potassium nitrate

known complete purification process for potassium nitrate was mineral) by boiling it with minimal water and using only

Get Price
Make Nitric acid - The Complete Guide - All - Instructables

Make Nitric acid - The Complete Guide - All - Instructables

Any source of nitrate is usable including potassium nitrate ammonium nitrate and of ammonia is done by the Ostwald process using a platinum-rhodium catalyst. I personally need it to make aqua regia as I am playing with gold refining.

Get Price