Chemical News and Journal of Physical Science, Tom 83Chemical news office., 1901 |
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Strona 26
... added , and into the still boiling liquid is put a piece of fine copper gauze ( I prefer this to foil ) , about 1 inch by inch , and the boiling continued for a quarter of an hour ; if no darkening occurs by this time certainly less ...
... added , and into the still boiling liquid is put a piece of fine copper gauze ( I prefer this to foil ) , about 1 inch by inch , and the boiling continued for a quarter of an hour ; if no darkening occurs by this time certainly less ...
Strona 75
... added about equal to that of the acetic acid taken ; after this the reaction becomes very slow . We proceeded as follows : -A litre of glacial acetic acid was mixed with an equal bulk of twenty - volume peroxide and some ammonio ...
... added about equal to that of the acetic acid taken ; after this the reaction becomes very slow . We proceeded as follows : -A litre of glacial acetic acid was mixed with an equal bulk of twenty - volume peroxide and some ammonio ...
Strona 182
... added as before , the precipitate of iodate and mesoximidate of barium is removed , a current of carbonic acid is passed through the liquid , which is heated rapidly to boiling ; to this liquid freed from baryta , soda and hypobromite ...
... added as before , the precipitate of iodate and mesoximidate of barium is removed , a current of carbonic acid is passed through the liquid , which is heated rapidly to boiling ; to this liquid freed from baryta , soda and hypobromite ...
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