PDF⋙ Roasting of Gold and Silver Ores: And the Extraction of Their Respective Metals Without Quicksilver (Classic Reprint) by G. Kustel
Roasting of Gold and Silver Ores: And the Extraction of Their Respective Metals Without Quicksilver (Classic Reprint) by G. Kustel
Roasting of Gold and Silver Ores: And the Extraction of Their Respective Metals Without Quicksilver (Classic Reprint) by G. Kustel PDF, ePub eBook D0wnl0ad
Excerpt from Roasting of Gold and Silver Ores: And the Extraction of Their Respective Metals Without QuicksilverThe publication of this Treatise is due solely to the many inquiries concerning the "Leaching, Solving and Precipitation Process for Silver Ores," now successfully practiced in Sonora, Mexico, where it has been lately introduced by Mr. Ottocar Hofmann.
In consideration of the very important preparation of the ore, before it is subjected to the Solving Process, - namely, the Roasting, - I have thought it proper to devote considerable space to the description of different modifications of this operation, which is regulated by the peculiarity of the ore, and by the subsequent treatment. It is impossible to give any one way which will be suitable in every case; for this reason, and in order to cover all cases as far as possible, a detailed description of different modes of Roasting will not be superfluous.
The Solving Process, as now practiced, is a very economical method for the extraction of silver, for the reason that no quicksilver and no castings are used except what are needed for crushing. Mills in Mexico being dependent on San Francisco for the shoes, dies, gearing, etc., of amalgamating pans, millmen there know how to appreciate a process confined to wooden tubs requiring no power.
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