Chemical News and Journal of Industrial Science, Tomy 117-118Chemical news office., 1918 |
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Strona 11
... iron ( to obtain good colour ) . The same features are necessary for glass- making , and in addition there ought to be constancy of composition . Unfortunately this could never he realised . A potash content of 10 to 12 per cent was ...
... iron ( to obtain good colour ) . The same features are necessary for glass- making , and in addition there ought to be constancy of composition . Unfortunately this could never he realised . A potash content of 10 to 12 per cent was ...
Strona 12
... iron and manganese , but no tungstic acid . The precipitate of stannous sulphide is purified by dis- solving it in ammonium sulphide containing sulphur ; by precipitation yellow stannic sulphide is obtained and calcined to give SnO2 ...
... iron and manganese , but no tungstic acid . The precipitate of stannous sulphide is purified by dis- solving it in ammonium sulphide containing sulphur ; by precipitation yellow stannic sulphide is obtained and calcined to give SnO2 ...
Strona 13
... IRON METALLURGY , : INCLUDING A DESCRIPTION OF A NEW METHOD OF MEASURING SLAG VISCOSITY AT HIGH TEMPERATURES . * By ALEXANDER L. FEILD , BA . , M.S. ( North Carolina ) . Assistant Metallurgist , United States Bureau of Mines ...
... IRON METALLURGY , : INCLUDING A DESCRIPTION OF A NEW METHOD OF MEASURING SLAG VISCOSITY AT HIGH TEMPERATURES . * By ALEXANDER L. FEILD , BA . , M.S. ( North Carolina ) . Assistant Metallurgist , United States Bureau of Mines ...
Strona 14
... iron is con- cerned . In a study of the blast - furnace we are particularly interested in the behaviour of the slag from the time it enters the zone of fusion until it is fiushed from the cinder- notch . In transit through this region ...
... iron is con- cerned . In a study of the blast - furnace we are particularly interested in the behaviour of the slag from the time it enters the zone of fusion until it is fiushed from the cinder- notch . In transit through this region ...
Strona 15
... iron , and other similar adjustments in composition of molten iron , molten slag , and furnace gases , which occur between the " critical zones . " It is evident therefore that the viscosity - temperature relations of the slag do more ...
... iron , and other similar adjustments in composition of molten iron , molten slag , and furnace gases , which occur between the " critical zones . " It is evident therefore that the viscosity - temperature relations of the slag do more ...
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