Gold Refining by Donald Clark, shops MME

Covers in-detail methods and systems involving gold refining!
Chapters include - Occurrence of Native Gold - Refining shops Gold with Oxidizing and Chloridizing Agents - Sulfur Refining - Refining by Cementation Processes - Refining Gold Bullion by means of Oxygen - Miller's Process of Refining - Parting with Nitric Acid - Recovery of Silver from Nitrate Solutions - Refining by Means of Sulphuric Acid - Parting Gold by Electrolysis - Electrolytic Refining of Gold - The Treatment of Cyanide Precipitates - The Nitre Cake Method of Purifying Slimes - and more!