Chemical News and Journal of Physical Science, Tom 117Chemical news office., 1918 |
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Strona 12
... methods of preparing nitric acid , and contains the latest data as to output , costs , & c . New Method for the Recovery of Salts of Potas- sium and Aluminium from Mineral Silicates . - In the Journal of Industrial and Engineering ...
... methods of preparing nitric acid , and contains the latest data as to output , costs , & c . New Method for the Recovery of Salts of Potas- sium and Aluminium from Mineral Silicates . - In the Journal of Industrial and Engineering ...
Strona 13
... METHOD OF MEASURING SLAG VISCOSITY AT HIGH TEMPERATURES . * By ALEXANDER L. FEILD , BA . , M.S. ( North Carolina ) . Assistant Metallurgist , United States Bureau of Mines , Pittsburgh , Pa . Introduction . THE general physical and ...
... METHOD OF MEASURING SLAG VISCOSITY AT HIGH TEMPERATURES . * By ALEXANDER L. FEILD , BA . , M.S. ( North Carolina ) . Assistant Metallurgist , United States Bureau of Mines , Pittsburgh , Pa . Introduction . THE general physical and ...
Strona 26
... method of metallurgical treatment can recover the whole of the metal content of an ore . There is always a loss , which varies with the metal to be recovered , with the nature of the ore , and with the method of recovery used . Broadly ...
... method of metallurgical treatment can recover the whole of the metal content of an ore . There is always a loss , which varies with the metal to be recovered , with the nature of the ore , and with the method of recovery used . Broadly ...
Strona 27
... method of separating the waste from the valuable mineral is necessary . This is done by concentra- tion , in which the valuable mineral is concentrated into relatively small bulk and the gangue is eliminated . Con- centration is ...
... method of separating the waste from the valuable mineral is necessary . This is done by concentra- tion , in which the valuable mineral is concentrated into relatively small bulk and the gangue is eliminated . Con- centration is ...
Strona 50
... method to be hereafter described . As the ferro- cyanide test for copper also gives a reaction with zinc and iron and lead , brown , white , and blue tints respectively result , which , if all be present , will , more or less , make the ...
... method to be hereafter described . As the ferro- cyanide test for copper also gives a reaction with zinc and iron and lead , brown , white , and blue tints respectively result , which , if all be present , will , more or less , make the ...
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