The Assayer's Manual: An Abridged Treatise on the Docimastic Examination of Ores, and Furnace and Other Artificial Products |
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Page vi
... Metallic Sulphides ; Evaporation of the Solution Precipitation of the Filtered or Unfiltered Solution ; Kipp's Ap- paratus ; Debray's Apparatus Filtration ; Decantation . Drying Precipitates ; Igniting Precipitates PAGE 32 · 33 • 36 ...
... Metallic Sulphides ; Evaporation of the Solution Precipitation of the Filtered or Unfiltered Solution ; Kipp's Ap- paratus ; Debray's Apparatus Filtration ; Decantation . Drying Precipitates ; Igniting Precipitates PAGE 32 · 33 • 36 ...
Page viii
... Metallic Sulphides ; Preparation of Litharge entirely free from Silver ; Solvent Agents ; Acid Basic • 33 79 80 Precipitating or Desulphurizing Agents ; Sulphurizing Agents ; Concentrating Fluxes 81 · Decomposing and Volatilizing Fluxes ...
... Metallic Sulphides ; Preparation of Litharge entirely free from Silver ; Solvent Agents ; Acid Basic • 33 79 80 Precipitating or Desulphurizing Agents ; Sulphurizing Agents ; Concentrating Fluxes 81 · Decomposing and Volatilizing Fluxes ...
Page xii
... Metallic Sulphides ; Arsenizing Compounds free from Sulphur and Rich in Arsenic ; Reducing and Solvent Fusion ; Modifications which may occur Arsenizing and Fusing in One Operation ; Slagging off of the Arsenical Iron Modifications ...
... Metallic Sulphides ; Arsenizing Compounds free from Sulphur and Rich in Arsenic ; Reducing and Solvent Fusion ; Modifications which may occur Arsenizing and Fusing in One Operation ; Slagging off of the Arsenical Iron Modifications ...
Page 29
... metallic sulphides , antimony and arsenic in order to regulate the addition of lead before smelting ) . 4. WEIGHING AND MEASURING . Before every weighing , the balance must be tested as to its equilibrium . The substance to be weighed ...
... metallic sulphides , antimony and arsenic in order to regulate the addition of lead before smelting ) . 4. WEIGHING AND MEASURING . Before every weighing , the balance must be tested as to its equilibrium . The substance to be weighed ...
Page 33
... Metallic sulphides , arsenides , and anti- monides are heated in presence of air to a temperature insufficient for fusion , but which permits of their oxida tion ; metallic oxides are , therefore , produced , while sul- phurous ...
... Metallic sulphides , arsenides , and anti- monides are heated in presence of air to a temperature insufficient for fusion , but which permits of their oxida tion ; metallic oxides are , therefore , produced , while sul- phurous ...
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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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