The Assayer's Manual: An Abridged Treatise on the Docimastic Examination of Ores, and Furnace and Other Artificial Products |
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Page viii
... Pure Silver 82 Reagents for Wet Assays ; For Assays by Gravimetric and Colorimetric Analysis ; Acids ; Bases and Salts ; Metals for Precipitation ; For Volumetric Assays SPECIAL DIVISION . I. LEAD . Lead Ores ; Assays of Lead in the Dry ...
... Pure Silver 82 Reagents for Wet Assays ; For Assays by Gravimetric and Colorimetric Analysis ; Acids ; Bases and Salts ; Metals for Precipitation ; For Volumetric Assays SPECIAL DIVISION . I. LEAD . Lead Ores ; Assays of Lead in the Dry ...
Page ix
... pure precipitated Copper . 102 · 103 • • 104 106 • 107 · .. 108 109 · 110 • 111 · 113 Precipitation with Zine free from Lead and Arsenic 114 • Electrolytic Assay . 115 · Platinum Spiral and Platinum Foil 117 · Platinum Dish 119 ...
... pure precipitated Copper . 102 · 103 • • 104 106 • 107 · .. 108 109 · 110 • 111 · 113 Precipitation with Zine free from Lead and Arsenic 114 • Electrolytic Assay . 115 · Platinum Spiral and Platinum Foil 117 · Platinum Dish 119 ...
Page 45
... pure solid substance , and diluting the solution to a defi- nite volume , so that the chemical power of a unit of volume of the solution is known . These liquids are called normal solutions when as many grammes of the sub- stance have ...
... pure solid substance , and diluting the solution to a defi- nite volume , so that the chemical power of a unit of volume of the solution is known . These liquids are called normal solutions when as many grammes of the sub- stance have ...
Page 78
... pure carbon , 34.31 ; well - glowed wood charcoal , 31.81 ; ordinary wood charcoal , 28.00 ; tallow , 15 ; sugar , 14.5 ; kiln - dried starch , 13 ; ordinary starch , 11 ; tartaric acid , 6 ; oxalic acid , 0.90 ; black flux with 2 parts ...
... pure carbon , 34.31 ; well - glowed wood charcoal , 31.81 ; ordinary wood charcoal , 28.00 ; tallow , 15 ; sugar , 14.5 ; kiln - dried starch , 13 ; ordinary starch , 11 ; tartaric acid , 6 ; oxalic acid , 0.90 ; black flux with 2 parts ...
Page 81
... pure lead free from silver cannot be obtained , it will be neces- sary for him , after granulation in the manner above de- scribed , to sample well , and test about 30 to 50 grammes for silver by the scorification assay . In using this ...
... pure lead free from silver cannot be obtained , it will be neces- sary for him , after granulation in the manner above de- scribed , to sample well , and test about 30 to 50 grammes for silver by the scorification assay . In using this ...
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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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