Prospectors will surely find this handbook (link) useful. I assembled this Gold Refining manual. I hope you enjoy.
https://www.911metallurgist.com/blog/gold-refining-process
As the book says...An effort has been made to present the essential points of all methods of gold refining commonly practised, as well as those of historic interest. No branch of metallurgy is older, yet the literature on the subject is so fragmentary and scattered that records of much valuable work have been lost sight of.
In spite of the fascination of the subject to workers in ancient and modern times, there is still scope for many special lines of research; it is the hope of the author that the work done in this direction during spare moments will be suggestive enough to stimulate others—and that such progress will be made, especially in the treatment of auriferous precipitates derived from the cyanide processes, that another edition will be necessary.
CONTENT LIST:
To present the essential points of all methods of gold refining commonly practised, as well as those of historic interest,” was the author’s purpose in this volume. The fifteen chapters of which the book consists deal with the Simpler Methods of Early Days; Amalgamation Process; Refining with Oxidising and Chlorinating Agents; Sulphur Refining; Refining with Cementation Processes, and by means of Oxygen and Air; Miller’s Process and that adopted at the Melbourne Mint; Parting with Nitric Acid (two chapters); Recovery of Silver from Nitrate Solutions; Refining by Sulphuric Acid; Parting by Electrolysis; Electrolytic Refining of Gold ; Separation of Platinum from Gold; Treatment of Cyanide Precipitates; Refining of Gold Slimes by Nitric and Sulphuric Acid ; the Nitre Cake Method of Purifying Slimes.
https://www.911metallurgist.com/blog/gold-refining-process
As the book says...An effort has been made to present the essential points of all methods of gold refining commonly practised, as well as those of historic interest. No branch of metallurgy is older, yet the literature on the subject is so fragmentary and scattered that records of much valuable work have been lost sight of.
In spite of the fascination of the subject to workers in ancient and modern times, there is still scope for many special lines of research; it is the hope of the author that the work done in this direction during spare moments will be suggestive enough to stimulate others—and that such progress will be made, especially in the treatment of auriferous precipitates derived from the cyanide processes, that another edition will be necessary.
CONTENT LIST:
To present the essential points of all methods of gold refining commonly practised, as well as those of historic interest,” was the author’s purpose in this volume. The fifteen chapters of which the book consists deal with the Simpler Methods of Early Days; Amalgamation Process; Refining with Oxidising and Chlorinating Agents; Sulphur Refining; Refining with Cementation Processes, and by means of Oxygen and Air; Miller’s Process and that adopted at the Melbourne Mint; Parting with Nitric Acid (two chapters); Recovery of Silver from Nitrate Solutions; Refining by Sulphuric Acid; Parting by Electrolysis; Electrolytic Refining of Gold ; Separation of Platinum from Gold; Treatment of Cyanide Precipitates; Refining of Gold Slimes by Nitric and Sulphuric Acid ; the Nitre Cake Method of Purifying Slimes.
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