The Metallurgy of Lead & Silver: LeadGriffin, 1899 - Lead |
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Page ix
... Oxide ,. 22 223 21 Lead Sulphide , 99 Sulphate , 99 " " 26 99 Carbonate , Silicates , Borates , 26 Galena , Cerussite , Anglesite , Pyromorphite and Mimetesite , 23 ** Commercial Lead Ores , 33 Oxidised Ores , 34 Sulphide Ores , 34 ...
... Oxide ,. 22 223 21 Lead Sulphide , 99 Sulphate , 99 " " 26 99 Carbonate , Silicates , Borates , 26 Galena , Cerussite , Anglesite , Pyromorphite and Mimetesite , 23 ** Commercial Lead Ores , 33 Oxidised Ores , 34 Sulphide Ores , 34 ...
Page xi
... Oxide and Magnetic 110 • Oxide , 127 Fluxes , 111 Ferrous Sulphate , 127 Use of Burnt Lime instead of Sulphide , 127 Limestone , 112 Pyrites , 127 Composition of Slags , 113 Manganese Oxides , 128 Formulæ of Type Slags , 116 ...
... Oxide and Magnetic 110 • Oxide , 127 Fluxes , 111 Ferrous Sulphate , 127 Use of Burnt Lime instead of Sulphide , 127 Limestone , 112 Pyrites , 127 Composition of Slags , 113 Manganese Oxides , 128 Formulæ of Type Slags , 116 ...
Page xiii
... Oxide Process , . 4. West Process , 5. Storer 6. Schnabel " " 99 " " C. Electrolytic Methods , 266- • 267 267 267 7. Spence 268 268 1. Létrange Process , 268 2. Siemens and Halske B. Chemical Methods ,. 265 Process , . 268 1. Grimm ...
... Oxide Process , . 4. West Process , 5. Storer 6. Schnabel " " 99 " " C. Electrolytic Methods , 266- • 267 267 267 7. Spence 268 268 1. Létrange Process , 268 2. Siemens and Halske B. Chemical Methods ,. 265 Process , . 268 1. Grimm ...
Page 9
... oxidation of the lead itself . 2. Volumetric , with Standard Ammonium Molybdate ( Alex- ander ) .- Ammonium molybdate gives a white precipitate with lead acetate until the whole of the lead present is thrown down , any excess of ...
... oxidation of the lead itself . 2. Volumetric , with Standard Ammonium Molybdate ( Alex- ander ) .- Ammonium molybdate gives a white precipitate with lead acetate until the whole of the lead present is thrown down , any excess of ...
Page 12
... oxide helps . Low Cover of litharge . * High Tellurides ,. Siliceous ores , · 50-60 0.3 35-40 None . Basic ores ,. Basic ores with barytes , Cupel bottoms , . 25-30 05-15 20-25 upto0 75 * Button has often to be scorified with more lead ...
... oxide helps . Low Cover of litharge . * High Tellurides ,. Siliceous ores , · 50-60 0.3 35-40 None . Basic ores ,. Basic ores with barytes , Cupel bottoms , . 25-30 05-15 20-25 upto0 75 * Button has often to be scorified with more lead ...
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alloy amount antimony arsenic assay average blast furnace bottom brick Broken Hill bullion carbon cast-iron cent charge CHARLES GRIFFIN coal coke concentrates consumption containing cooling copper cost crucible crust cupellation desilverisation doors dross dust Engineers EXETER STREET feet firebrick Flintshire flue flue-dust flux Freiberg fuel fume fusible fusion galena gases gold grey slag hearth Hofman inches iron jackets labour Lautenthal lead and silver lead sulphide Leadville lime liquation litharge matte melting metal Metallurgy Metallurgy of Lead method mixture molten oxide oxidised Parkes process pipe plates Port Pirie practice produced proportion pyrites quantity rabble reaction reduced residues reverberatory reverberatory furnace roasting sample Schnabel scorifier separate shown in Figs silicates silver contents sintering SiO2 skimmings slag smelting softening furnace speiss sulphate sulphide Table tapped temperature tons Trans treated tuyeres volatilisation volatilisation loss weight work-lead zinc
Popular passages
Page 85 - The arguments for and against " sintering " and " slagging " respectively have been already stated in this chapter, and need not be repeated here. Suffice it to say that the...