The silver chloride is then reduced in lead-lined tanks by means of granulated zinc and water acidulated with sulphuric acid. Thirty-three pounds of commercial granulated
The gold to be parted must be approximately free from base metals, particularly from those which are not soluble in nitric acid, such as tin,
Table of ContentsCementationParting by Using Sulphide of AntimonyParting by Means of SulphurParting by Nitric AcidGranulation of the AlloysTreatment of the Gold ResidueTreatment of the Silver SolutionReduction
Table of ContentsWhat Elements does Gold Bullion ContainGold Melting FurnaceGold Refining MethodsCasting Gold Bullion IngotsSeparate Gold and Silver by Melting By whatever process gold may have been
Table of ContentsBullion Lost During Melting ProcessOsmiridium Gold Bar ContaminantHow to Make Gold Bars Yourself The operation of refining by one of the methods described above is
Table of ContentsRefining Gold by VolatilisationRefining Gold by by OxidationUsing Air to Refine Gold by Oxidizing Gold BessemerisationOxidation by NitreOxidation by Metallic OxidesChlorinationGold Refining by Sulphurisation How to
Table of ContentsWhat Furnace is best to Melt GoldMelting Furnace CruciblesMelting Gold Bullion The furnace used for melting gold bullion is of simple construction. It
Table of ContentsSampling Methods & TechniquesSample Gold and Sulphide MineralsFactors to Consider when SamplingGeology Sampling GuidelinesGeological ReconnaissanceHow to Choose a Sampling MethodHow Many Samples and What
There are two kinds of sample salting: intentional and innocent. Intentional salting can be defined as the surreptitious addition of valuable material to a sample
Table of ContentsEstimation of Gold and Metals in Cyanide SolutionsDetection and Estimation of Sulphides in Potassium CyanideEstimation of the Reducing Power of Cyanide SolutionsEstimation of