Chemical News and Journal of Industrial Science, Tomy 103-104Chemical news office., 1911 |
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Strona 1
... fact that certain of the benzoyl halogen derivatives , such as monochlor- and monobrombenzol , are attacked , but little , if at all , by boiling with sodium ethylate , a possible source of error in the method . ( NOTE . - The writer ...
... fact that certain of the benzoyl halogen derivatives , such as monochlor- and monobrombenzol , are attacked , but little , if at all , by boiling with sodium ethylate , a possible source of error in the method . ( NOTE . - The writer ...
Strona 14
... fact that the efficiency of stirring is independent of the strength of by making the anode wherever possible of glass , and the An anode made largely of glass has already been described on a former occasion ( loc . cit . a ) , but the ...
... fact that the efficiency of stirring is independent of the strength of by making the anode wherever possible of glass , and the An anode made largely of glass has already been described on a former occasion ( loc . cit . a ) , but the ...
Strona 21
... fact that flow calorimeters do not present a homo- geneous temperature system renders the computation of errors due to radiation most difficult , so that a reduction of them is the most practical method of minimising their effect . The ...
... fact that flow calorimeters do not present a homo- geneous temperature system renders the computation of errors due to radiation most difficult , so that a reduction of them is the most practical method of minimising their effect . The ...
Strona 22
... fact that thorium was wanted commercially made it more than possible that very large quantities of these active substances would be produced , and he anticipated that the price would be much smaller than the present price of radium ...
... fact that thorium was wanted commercially made it more than possible that very large quantities of these active substances would be produced , and he anticipated that the price would be much smaller than the present price of radium ...
Strona 31
... fact that copper cannot be melted alone and obtain sound castings from it has brought about this fact . Practically every known chemical has been tried . In the selection of a flux for copper it should be known whether pure copper ...
... fact that copper cannot be melted alone and obtain sound castings from it has brought about this fact . Practically every known chemical has been tried . In the selection of a flux for copper it should be known whether pure copper ...
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