Chemical News and Journal of Physical Science, Tom 117Chemical news office., 1918 |
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Strona 10
... silicates of lime and soda . Felspars are of wide occurrence . Granite consists of quartz , felspar , and mica which have crystallised out more or less together . Unfortunately the felspar is too small in grain to be picked out , and so ...
... silicates of lime and soda . Felspars are of wide occurrence . Granite consists of quartz , felspar , and mica which have crystallised out more or less together . Unfortunately the felspar is too small in grain to be picked out , and so ...
Strona 12
... silicate formed having approximately the composition of leucite , KAISI3O8 + 2KOH = KAIS 206 + H2O + K2SiO3 . It is insoluble in water , and can thus be separated from the excess of alkali and the alkali silicate . All the alkali can be ...
... silicate formed having approximately the composition of leucite , KAISI3O8 + 2KOH = KAIS 206 + H2O + K2SiO3 . It is insoluble in water , and can thus be separated from the excess of alkali and the alkali silicate . All the alkali can be ...
Strona 13
... silicates , such as the felspars , micas , and pyroxenes , have been known to petrographers for a number of years . Re : searches on silicates at high tempera ures are , however , of comparatively recent origin , due to the experimental ...
... silicates , such as the felspars , micas , and pyroxenes , have been known to petrographers for a number of years . Re : searches on silicates at high tempera ures are , however , of comparatively recent origin , due to the experimental ...
Strona 14
... silicate gradually softens with rising temperature and passes entirely over into the liquid state , it is probable that the increased fluidity is due to a weakening of the residual - valence attraction between the group - molecules ...
... silicate gradually softens with rising temperature and passes entirely over into the liquid state , it is probable that the increased fluidity is due to a weakening of the residual - valence attraction between the group - molecules ...
Strona 15
... iron . Notes . 1. Henry Le Chatelier , " Le Silice et les Silicates , " Paris , 1914 . 2 . See footnote p . 108 " Mésure des Températures Elévées , " by II . Le Chatelier and O. Boudouard , 20. A. L. Day , R. B. Sosman , and.
... iron . Notes . 1. Henry Le Chatelier , " Le Silice et les Silicates , " Paris , 1914 . 2 . See footnote p . 108 " Mésure des Températures Elévées , " by II . Le Chatelier and O. Boudouard , 20. A. L. Day , R. B. Sosman , and.
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