The Chemical News and Journal of Industrial Science, Tom 1221921 |
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Strona 27
... hydrofluoric acid , it will dissolve with effervescence , but soon a salt is precipitated as a heavy powder . If more and * A more detailed account of this work was submitted to the Faculty of the Graduate School of Syracuse University ...
... hydrofluoric acid , it will dissolve with effervescence , but soon a salt is precipitated as a heavy powder . If more and * A more detailed account of this work was submitted to the Faculty of the Graduate School of Syracuse University ...
Strona 28
... acid . The formulas assigned by Böhm for these fluorides are of a strongly acid fluoride type . Purpose of the ... hydrofluoric acid . The excess is necessary for avoiding the formation of the basic salt . ( 2 ) Decomposing the carbonate ...
... acid . The formulas assigned by Böhm for these fluorides are of a strongly acid fluoride type . Purpose of the ... hydrofluoric acid . The excess is necessary for avoiding the formation of the basic salt . ( 2 ) Decomposing the carbonate ...
Strona 29
hydrofluoric acid , is decomposed as long as there is any acid present , but , as Berzelius stated , there is precipitated a fine rose - red powder , which is dissolved only upon the addition of more acid and water . The original ...
hydrofluoric acid , is decomposed as long as there is any acid present , but , as Berzelius stated , there is precipitated a fine rose - red powder , which is dissolved only upon the addition of more acid and water . The original ...
Strona 30
... hydrofluoric acid is neutralised and the hydroxide of the metal is precipitated . The gravimetric determination of fluorine is based upon its precipitation as an insoluble fluor- ide . A number of metals form insoluble fluor- ides ...
... hydrofluoric acid is neutralised and the hydroxide of the metal is precipitated . The gravimetric determination of fluorine is based upon its precipitation as an insoluble fluor- ide . A number of metals form insoluble fluor- ides ...
Strona 44
... acid . This acid solution was then evaporated to dryness and the anhydrous cobalt sulphate weighed . Another method ... hydrofluoric acid and are con- verted to the oxide . The weight of copper calcu- lated from the oxide thus obtained ...
... acid . This acid solution was then evaporated to dryness and the anhydrous cobalt sulphate weighed . Another method ... hydrofluoric acid and are con- verted to the oxide . The weight of copper calcu- lated from the oxide thus obtained ...
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