Chemical News and Journal of Industrial Science, Tomy 103-104Chemical news office., 1911 |
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Strona 18
... weight is given , according to Traube , by M = p ( 2 atomic volumes + co - volume ) , whereas if the calculation of the sum of the molecular weights of the molecules in the material being studied be made , one obtains M = p ( 2 atomic ...
... weight is given , according to Traube , by M = p ( 2 atomic volumes + co - volume ) , whereas if the calculation of the sum of the molecular weights of the molecules in the material being studied be made , one obtains M = p ( 2 atomic ...
Strona 29
... weight of potassium pyrosulphate over a low flame for three hours with the crucible covered . The crucible , contents , and cover are placed in a beaker , and dilute sulphuric acid ( 10 : 1 ) is added . By warming and continued shaking ...
... weight of potassium pyrosulphate over a low flame for three hours with the crucible covered . The crucible , contents , and cover are placed in a beaker , and dilute sulphuric acid ( 10 : 1 ) is added . By warming and continued shaking ...
Strona 37
... weight ; sometimes the water driven off is collected and weighed . Often , however , the material dealt with is such that , when it is heated , it gives off vapours other than water ; or it may be that some of the water evolved is the ...
... weight ; sometimes the water driven off is collected and weighed . Often , however , the material dealt with is such that , when it is heated , it gives off vapours other than water ; or it may be that some of the water evolved is the ...
Strona 44
... weight . This method is very old , but is reliable only in the most skilful hands . In the incineration of the paper ... weight of the pre- cipitate , and multiply by o'74473 to find the weight of metallic lead . Volumetric Methods ...
... weight . This method is very old , but is reliable only in the most skilful hands . In the incineration of the paper ... weight of the pre- cipitate , and multiply by o'74473 to find the weight of metallic lead . Volumetric Methods ...
Strona 54
... weight remaining constant after further treatment . The crucible was allowed to cool in the atmo- sphere of carbon dioxide , its weight taken , and Sb2S3 calculated into terms of Sb2O3 . correct . Composition . Per cent TagО5 . O ...
... weight remaining constant after further treatment . The crucible was allowed to cool in the atmo- sphere of carbon dioxide , its weight taken , and Sb2S3 calculated into terms of Sb2O3 . correct . Composition . Per cent TagО5 . O ...
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