Chemical News and Journal of Industrial Science, Tomy 117-118Chemical news office., 1918 |
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Strona 10
... lime and soda . Felspars are of wide occurrence . Granite consists of quartz , felspar , and mica which have crystallised out more or less together . Unfortunately the felspar is too small in grain to be picked out , and so granite ...
... lime and soda . Felspars are of wide occurrence . Granite consists of quartz , felspar , and mica which have crystallised out more or less together . Unfortunately the felspar is too small in grain to be picked out , and so granite ...
Strona 12
... lime and filtering off the calcium silicate separated . The " artificial leucite , " which contains all the potash and alumina , and two - thirds of the silica of the original felspar , can readily be made to yield up its constituents ...
... lime and filtering off the calcium silicate separated . The " artificial leucite , " which contains all the potash and alumina , and two - thirds of the silica of the original felspar , can readily be made to yield up its constituents ...
Strona 14
... lime or alumina content ; for , while both lime and alumina com- bine with a number of different acids to form solids which upon melting exhibit no unusual degree of viscosity , the presence of silica in a chemical compound usually ...
... lime or alumina content ; for , while both lime and alumina com- bine with a number of different acids to form solids which upon melting exhibit no unusual degree of viscosity , the presence of silica in a chemical compound usually ...
Strona 25
... lime ) , siderite ( carbonate of iron ) , and a little galena , the last is the " ore " in the scientific sense , and the whole mass or aggregate is the " ore " in the technical sense , if the galena is present in sufficient amount to ...
... lime ) , siderite ( carbonate of iron ) , and a little galena , the last is the " ore " in the scientific sense , and the whole mass or aggregate is the " ore " in the technical sense , if the galena is present in sufficient amount to ...
Strona 27
... lime , CaO , is very large in comparison with the concentrations of the other reacting substances , it may be considered to be a constant ; where- fore , it would follow , from the general law of chemical equilibrium ( 34 ) , that the ...
... lime , CaO , is very large in comparison with the concentrations of the other reacting substances , it may be considered to be a constant ; where- fore , it would follow , from the general law of chemical equilibrium ( 34 ) , that the ...
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