A Practical Treatise on Metallurgy: Adapted from the Last German Edition of Prof. Kerl's Metallurgy, Volúmenes1-2Longmans, Green, and Company, 1868 |
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Página xvii
... Sulphide of Mercury Advantages and Difficulties of this Method , 507. Condensers , 507 . Construction of Furnaces , 508 . Illustrations of the Process of Extracting Mercury in Mounds . Hungary , 509 . с 507 • 509 Illustrations of the ...
... Sulphide of Mercury Advantages and Difficulties of this Method , 507. Condensers , 507 . Construction of Furnaces , 508 . Illustrations of the Process of Extracting Mercury in Mounds . Hungary , 509 . с 507 • 509 Illustrations of the ...
Página 1
... sulphide or oxide . The principal ores are the following : - -- : 1. Galena ( sulphide of lead ) , PbS , containing 86.57 per cent Pb , and 13 ° 43 per cent S. It usually contains sulphide of silver in an isomorphous state . The amount ...
... sulphide or oxide . The principal ores are the following : - -- : 1. Galena ( sulphide of lead ) , PbS , containing 86.57 per cent Pb , and 13 ° 43 per cent S. It usually contains sulphide of silver in an isomorphous state . The amount ...
Página 6
... ( sulphides and metalliferous minerals ) occasion ; a . Loss of lead ; by facilitating the formation of metallic fume ... ( sulphide of antimony in the re- verberatory process ) & c . b . Deterioration of the lead ( antimony , arsenic , and ...
... ( sulphides and metalliferous minerals ) occasion ; a . Loss of lead ; by facilitating the formation of metallic fume ... ( sulphide of antimony in the re- verberatory process ) & c . b . Deterioration of the lead ( antimony , arsenic , and ...
Página 8
... Sulphide of Antimony is often found so finely disseminated through galena that its separation by a mechanical process is impossible , and it occasions loss of lead and silver in the melt- ing process on account of its volatility ; it ...
... Sulphide of Antimony is often found so finely disseminated through galena that its separation by a mechanical process is impossible , and it occasions loss of lead and silver in the melt- ing process on account of its volatility ; it ...
Página 11
... sulphides and earths , or silica , and which is suited neither for the reverberatory process nor for that in hearth furnaces . Pure galena is seldom used . This process is subdivided into - 1 . Precipitation Process . In this the ...
... sulphides and earths , or silica , and which is suited neither for the reverberatory process nor for that in hearth furnaces . Pure galena is seldom used . This process is subdivided into - 1 . Precipitation Process . In this the ...
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Términos y frases comunes
24 hours Altenau amalgam amount of silver antimony argentiferous arsenic baryta bismuth black copper blast calcined cent of copper cent of lead cent of silver charcoal charge chiefly clay coal cobalt coke condensation copper matt crucible cubic feet cupelling cupola furnaces cwts decomposed desilverised dross extraction flue fluxes formation formed Freiberg fuel furnace ends fused galena gold hearth heated impure inches iron pyrites Lautenthal lead containing lead matt lime liquation litharge loss of lead loss of metal loss of silver mercury metre mixed mixture muffles nickel oxide oxide of lead oxidised Pattinson's process precipitated production quantity quartz raw lead raw matt reduced refined residues resulting reverberatory furnaces rich lead roasting mass roasting process schlich silica silver per cwt slags smelting process sodium sodium amalgam spar speiss sulphate of lead sulphide sulphuric acid sump temperature treated tuyere u. h. Ztg Upper Hartz volatilisation whilst yield zinc blende