The Assayer's Manual: An Abridged Treatise on the Docimastic Examination of Ores, and Furnace and Other Artificial Products |
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Page v
... Slag Sampies ; Heterogeneous Fragments ; Sam- pling by the Crossing Method Sampling by Dropping the Ore ; Small Ore and Pulverized Sub- stances ; Sampling while weighing Samples of Goldsmiths ' Sweepings ; Sampling before weighing ...
... Slag Sampies ; Heterogeneous Fragments ; Sam- pling by the Crossing Method Sampling by Dropping the Ore ; Small Ore and Pulverized Sub- stances ; Sampling while weighing Samples of Goldsmiths ' Sweepings ; Sampling before weighing ...
Page viii
... Slag in different Countries Assay with Potassium Cyanide in Clay Crucibles ; Galena with more Earths ; Assay with Black Flux ( Potassium Carbonate and Flour ) and Metallic Iron , in Clay Crucibles . Practice in different Countries ...
... Slag in different Countries Assay with Potassium Cyanide in Clay Crucibles ; Galena with more Earths ; Assay with Black Flux ( Potassium Carbonate and Flour ) and Metallic Iron , in Clay Crucibles . Practice in different Countries ...
Page ix
... ( Slags ) , Alloys of Lead Wet Assays ; Assay by Gravimetric Analysis ; Assays in Blei- berg in Carinthia , and other places Mohr's Process ; Practice of various Assayers Volumetric Processes ; Colorimetric Processes PAGE 96 90 97 98 99 ...
... ( Slags ) , Alloys of Lead Wet Assays ; Assay by Gravimetric Analysis ; Assays in Blei- berg in Carinthia , and other places Mohr's Process ; Practice of various Assayers Volumetric Processes ; Colorimetric Processes PAGE 96 90 97 98 99 ...
Page x
... ( Slags , etc. ) Jaquelin - Hubert's Method for considerable Percentages of Copper III . SILVER . PAGE • 128 · 130 Principal Ores ; Assays for Non - alloys 131 Fire Assays ; Collecting the Silver with Lead ; Scorification Assay ; The ...
... ( Slags , etc. ) Jaquelin - Hubert's Method for considerable Percentages of Copper III . SILVER . PAGE • 128 · 130 Principal Ores ; Assays for Non - alloys 131 Fire Assays ; Collecting the Silver with Lead ; Scorification Assay ; The ...
Page xi
... Slag , Gold Sweepings ) · · PAGE 161 162 · 163 164 · 165 166 American Gold Ores ; Rhine Sand ; Ores , etc. , with Combina- tions of Sulphur , Antimony , or Arsenic Pyrites Poor in Gold ; Hungarian Smelting Works Cupellation of the ...
... Slag , Gold Sweepings ) · · PAGE 161 162 · 163 164 · 165 166 American Gold Ores ; Rhine Sand ; Ores , etc. , with Combina- tions of Sulphur , Antimony , or Arsenic Pyrites Poor in Gold ; Hungarian Smelting Works Cupellation of the ...
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Common terms and phrases
2.5 grammes 20 grammes added alloy ammonia ammonium antimony aqua regia argol arsenic assay sample beaker-glass bismuth black copper black flux boiled borax burette cent charcoal charge chloride coal cobalt color common salt containing copper covering of common crucible crucible Fig cubic centimeters cubic inches cupelled decanted decomposed determined diluted Dingler dried evaporated to dryness ferric oxide ferrous filtered filtrate flask fluid foreign metals Fresenius furnace fused fusion 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 meters method millimeters mixed mixture muffle muffle-furnace nickel nitric acid percentage placed platinum porcelain potassium carbonate potassium cyanide poured powdered precipitated pyrites refractory residue scorifier slag smelting sodium carbonate sodium sulphide substances sulphate sulphuretted hydrogen sulphuric acid temperature titrated tube u. h. Ztg volumetric washed weighed zinc Ztschr
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