The latest revised edition of Mr. C. A. Stetefeldt’s book on the Lixiviation of Silver-Ores, which appeared very recently, contains no mention of the volatilization
Table of ContentsOreMillWoodCapacityWater The use of steam-stamps in the crushing of ore for the purpose of amalgamation has been very limited, and little has been
A great deal has been written of late regarding the loss of silver in assaying; very discordant results have been published by different writers, and much
Table of ContentsForm of the CurrentThe Slope of the Feed-Sole In “ Sorting Before Sizing ” (a paper first announced at the Pittsburgh meeting, but delayed in
Some months since, the attention of the author was directed to certain statements to the effect that the gold-contents of foul or extremely dilute cyanide-solutions
It is obvious that the choice of the method to be employed in the handling of blast-furnace slags and mattes depends upon local facilities and
The analysis of refined copper is a subject of great importance, and has not received the attention it deserves. Copper metallurgists, therefore, will welcome the
Table of ContentsDetermination of Arsenic as TrisulphideTreatment of Filtrate Containing AntimonyTreatment of Insoluble Residue from the ElectrolyteLaboratory Experiment No. 8Laboratory Experiment No. 9Laboratory Experiment No. 10Laboratory Experiment No.
Table of ContentsAcid Leaching PlantBoiling PotsDissolving TankFiltersPrecipitating TanksSilver FiltersEvaporatorsCrystallizersResidue FiltersAcid StorageSilver DryerHydraulic PressMelting FurnacePulverizerPumpsInstallationProcessPractical OperationsSuppliesLaborReturnsBoiling Sulphides in Strong Sulphuric Acid The improvement in leaching introduced
Table of ContentsSolution of Gold in Cyanide SolutionsSolution of Metallic Gold in Potassium, CyanideWhat Effect Oxidizing Agents has on LeachingSolubility of Gold Sulphide in Potassium CyanideSolubility
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