Chemical News and Journal of Industrial Science, Tomy 103-104Chemical news office., 1911 |
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Strona 1
... added to effect complete reduction , the liquid became pasty owing to the separation of sodium ethylate , and this localised and greatly hindered the action of the sodium . By increasing the amount of alcohol above that recom- mended by ...
... added to effect complete reduction , the liquid became pasty owing to the separation of sodium ethylate , and this localised and greatly hindered the action of the sodium . By increasing the amount of alcohol above that recom- mended by ...
Strona 8
... added at this time to fill up the crucible , and when all was ready , the alternating current was thrown off and the direct current thrown on . Readings of the time , voltage , and amperage were taken at once . The voltmeter and ammeter ...
... added at this time to fill up the crucible , and when all was ready , the alternating current was thrown off and the direct current thrown on . Readings of the time , voltage , and amperage were taken at once . The voltmeter and ammeter ...
Strona 13
... added to the aqueous solution of the salt and it was then made ammoniacal , the mesothorium II . was precipitated with the iron hydroxide . A strong y - radiation was emitted by the precipitate , while the barium chloride obtained by ...
... added to the aqueous solution of the salt and it was then made ammoniacal , the mesothorium II . was precipitated with the iron hydroxide . A strong y - radiation was emitted by the precipitate , while the barium chloride obtained by ...
Strona 28
... added , and the solution is allowed to stand for twelve hours . The precipitate of silica , alumina , & c . , is filtered off , washed with ammonium carbonate water , and is saved for further determinations . The solution . containing ...
... added , and the solution is allowed to stand for twelve hours . The precipitate of silica , alumina , & c . , is filtered off , washed with ammonium carbonate water , and is saved for further determinations . The solution . containing ...
Strona 29
... added , and the boiling continued for five minutes . The 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 ...
... added , and the boiling continued for five minutes . The 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 ...
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