Chemical News and Journal of Physical Science, Tom 103Chemical news office., 1911 |
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Strona 14
... precipitate , while the barium chloride obtained by evaporating the solution had lost almost the whole of its power of emitting y - rays . But while the precipitate lost almost all its power of radiation with a half - constant of about ...
... precipitate , while the barium chloride obtained by evaporating the solution had lost almost the whole of its power of emitting y - rays . But while the precipitate lost almost all its power of radiation with a half - constant of about ...
Strona 15
... met with in analysis , it was then made alkaline with caustic soda until the precipitate first formed had re - dissolved , and finally acid once more with acetic acid . During analysis a drop No. Cu taken . Grm . Cu found . Grm.
... met with in analysis , it was then made alkaline with caustic soda until the precipitate first formed had re - dissolved , and finally acid once more with acetic acid . During analysis a drop No. Cu taken . Grm . Cu found . Grm.
Strona 16
... precipitate first formed had re - dissolved ( 8 grms . NaOH ) , and then acid again with citric acid ( 15 grms . ) . The following additional remarks may be made regarding the use of the electrodes . When it was necessary to clean them ...
... precipitate first formed had re - dissolved ( 8 grms . NaOH ) , and then acid again with citric acid ( 15 grms . ) . The following additional remarks may be made regarding the use of the electrodes . When it was necessary to clean them ...
Strona 28
... precipitate of silica , alumina , & c . , is filtered off , washed with ammonium carbonate water , and is saved for further determinations . The solution . containing all the fluorine and traces of silica , phosphate , & c . , is ...
... precipitate of silica , alumina , & c . , is filtered off , washed with ammonium carbonate water , and is saved for further determinations . The solution . containing all the fluorine and traces of silica , phosphate , & c . , is ...
Strona 29
... precipitate is dried on filter - paper and ignited separately from it in a weighed platinum crucible , to which the ash of the filter paper is afterwards added . The precipitate consists of Al2O3 , Fe2O3 , and Mn2O3 , and is weighed as ...
... precipitate is dried on filter - paper and ignited separately from it in a weighed platinum crucible , to which the ash of the filter paper is afterwards added . The precipitate consists of Al2O3 , Fe2O3 , and Mn2O3 , and is weighed as ...
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