The Assayer's Manual: An Abridged Treatise on the Docimastic Examination of Ores, and Furnace and Other Artificial Products |
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Page x
... Cobalt and Nickel ; Mercury ; Gravimetric Analysis Hydrostatic Assay . 156 158 • · . 159 IV . GOLD . Gold Ores ; Non - alloys . Mechanical Assay by Washing , for Determining the Approxi- mate Percentage of Gold in Earthy and Gravelly ...
... Cobalt and Nickel ; Mercury ; Gravimetric Analysis Hydrostatic Assay . 156 158 • · . 159 IV . GOLD . Gold Ores ; Non - alloys . Mechanical Assay by Washing , for Determining the Approxi- mate Percentage of Gold in Earthy and Gravelly ...
Page xii
... Cobalt , Colorimetric Assay · 196 197 198 VII . COBALT . Ores 198 Assays of Cobalt ; Object of the Assays ; Determination of Cobalt by the Dry or Wet Method ; Determination of the Blue Coloring Power ( Density ) , and the Beauty of the ...
... Cobalt , Colorimetric Assay · 196 197 198 VII . COBALT . Ores 198 Assays of Cobalt ; Object of the Assays ; Determination of Cobalt by the Dry or Wet Method ; Determination of the Blue Coloring Power ( Density ) , and the Beauty of the ...
Page 17
... of Practical Assaying , London , 1868 Ricketts , Notes on Assaying and Assay Schemes , New York , 1876 . ing lead , cobalt , nickel , gold , and 2 GENERAL DIVISION Object of the Art of Assaying; The Dry Method; The Method.
... of Practical Assaying , London , 1868 Ricketts , Notes on Assaying and Assay Schemes , New York , 1876 . ing lead , cobalt , nickel , gold , and 2 GENERAL DIVISION Object of the Art of Assaying; The Dry Method; The Method.
Page 18
... cobalt , nickel , gold , and silver ) cannot be substi- tuted for it . Sometimes a combination of both is employed ( assays of lead , gold , etc. ) . Recently the method of precipitating metals by electrolysis ' has been employed to ...
... cobalt , nickel , gold , and silver ) cannot be substi- tuted for it . Sometimes a combination of both is employed ( assays of lead , gold , etc. ) . Recently the method of precipitating metals by electrolysis ' has been employed to ...
Page 33
... cobalt ) . c . With admission of air in roasting dishes ( determin- ation of ash in fuel , combustion of bitumen in copper schist and black - band iron ore , oxidation of cement copper , etc. ) . d . With reagents for decomposing ...
... cobalt ) . c . With admission of air in roasting dishes ( determin- ation of ash in fuel , combustion of bitumen in copper schist and black - band iron ore , oxidation of cement copper , etc. ) . d . With reagents for decomposing ...
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Common terms and phrases
15 grammes 20 grammes added alloy ammonia ammonium antimony aqua regia argol arsenic assay sample beaker-glass bismuth black flux boiled borax cent charcoal charge chloride coal cobalt color common salt containing copper covering of common crucible crucible Fig cubic centimeter 0.061 cubic centimeters cubic inches cupelled decomposed determined diluted Dingler dish dried evaporated to dryness ferric oxide ferrous filtered filtrate flask fluid foreign metals Fresenius furnace fused fusion galena glass gold gramme 15.43 grains gramme 7.71 grains grammes 154.32 grains grammes 77.16 grains granulated lead heated hydrate hydrochloric acid ignited iron lead button liquid litharge mercury metallic sulphides method millimeters mixed mixture muffle muffle-furnace nickel nitric acid percentage placed platinum potassium carbonate potassium cyanide poured powdered precipitated pyrites quantity of lead residue roasted scorifier slag smelting sodium carbonate sodium sulphide solution substances sulphuretted hydrogen sulphuric acid temperature thousandths titrated tube u. h. Ztg vessels washed weighed zinc Ztschr
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