Chemical News and Journal of Physical Science, Tom 100Chemical news office., 1909 |
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Strona 1
... solution , warming to 60 ° C. , and standing for twelve hours for the completeness of precipitation . The remainder is washed by repeated decantations with a solution of ammonium nitrate containing nitric acid till calcium disappears ...
... solution , warming to 60 ° C. , and standing for twelve hours for the completeness of precipitation . The remainder is washed by repeated decantations with a solution of ammonium nitrate containing nitric acid till calcium disappears ...
Strona 3
... solution quite as accurately as may a decinormal solution of hydrochloric acid , the standard of which is determined gravimetrically as the silver chloride . In this paper results are given which show that , in presence of ...
... solution quite as accurately as may a decinormal solution of hydrochloric acid , the standard of which is determined gravimetrically as the silver chloride . In this paper results are given which show that , in presence of ...
Strona 4
introduced into these solutions by carefully drawing from the burette until the appearance of colour in the solution , due to the presence of phenolphthalein as indicator , showed the reaction to be complete . In a few cases the ...
introduced into these solutions by carefully drawing from the burette until the appearance of colour in the solution , due to the presence of phenolphthalein as indicator , showed the reaction to be complete . In a few cases the ...
Strona 16
... solution a precipitate of definite composition , represented by the formula K2NaCo ( NO2 ) 6 . H2O , is obtained ( Fourn . Chem . Soc . , lxxvii . , 1076 ) . They further found that by decomposing this precipitate with boiling dilute ...
... solution a precipitate of definite composition , represented by the formula K2NaCo ( NO2 ) 6 . H2O , is obtained ( Fourn . Chem . Soc . , lxxvii . , 1076 ) . They further found that by decomposing this precipitate with boiling dilute ...
Strona 22
... solution , but on shaking the latter with alcohol , obtained by the action of water on the double separating , and washing for hours with alcohol , the blue carbonate of copper and sodium . compound obtained was strongly alkaline . The ...
... solution , but on shaking the latter with alcohol , obtained by the action of water on the double separating , and washing for hours with alcohol , the blue carbonate of copper and sodium . compound obtained was strongly alkaline . The ...
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