Chemical News and Journal of Industrial Science, Tom 34Chemical news office., 1876 |
Z wnętrza książki
Wyniki 1 - 5 z 87
Strona 2
... temperature ; it is then thrown on a filter and washed with cold water , or , what is preferable , with alcohol , and dried over sulphuric acid in vacuum . The salt is of a pale blue colour , and consists of microscopic needles , which ...
... temperature ; it is then thrown on a filter and washed with cold water , or , what is preferable , with alcohol , and dried over sulphuric acid in vacuum . The salt is of a pale blue colour , and consists of microscopic needles , which ...
Strona 3
... temperature , beautiful blue , well - defined crystals . I could only obtain the crystalline form from the gummy mass alluded to by the method described , and the precise manner of its formation remains as yet unexplained . I am ...
... temperature , beautiful blue , well - defined crystals . I could only obtain the crystalline form from the gummy mass alluded to by the method described , and the precise manner of its formation remains as yet unexplained . I am ...
Strona 4
... temperatures it loses water and leaves vanadic pentoxide , which fuses at a still higher temperature . I am still engaged with the study of the formation of this remarkable form of vanadic acid , which resists che- mical reagents to a ...
... temperatures it loses water and leaves vanadic pentoxide , which fuses at a still higher temperature . I am still engaged with the study of the formation of this remarkable form of vanadic acid , which resists che- mical reagents to a ...
Strona 8
... temperature of 45 ° C. we plunged it rapidly into a bath of cold water at 15 ° C. The rotation to the right ceased , the instrument stopped for a moment , and then began to revolve to the left with a rapidly increasing speed , which ...
... temperature of 45 ° C. we plunged it rapidly into a bath of cold water at 15 ° C. The rotation to the right ceased , the instrument stopped for a moment , and then began to revolve to the left with a rapidly increasing speed , which ...
Strona 16
... temperature , into a solid , white , opaque , amorphous substance , called cyamelide . Further- more , this curious body has the same composition as cyanic acid , but is insoluble in water , alcohol , ether , and dilute acids ; it is ...
... temperature , into a solid , white , opaque , amorphous substance , called cyamelide . Further- more , this curious body has the same composition as cyanic acid , but is insoluble in water , alcohol , ether , and dilute acids ; it is ...
Inne wydania - Wyświetl wszystko
Kluczowe wyrazy i wyrażenia
action added alcohol ammonia amount analysis apparatus appears applied beam becomes bismuth body carbon cent CHEMICAL Chemistry chloride College colour communication complete compound consists containing continued copper course described determination dilute direction dissolved effect employed examination excess experiments fact filter further given gives glass grms heat hydrochloric acid hydrogen Improvements inches increase iron known lead less light lime liquid London manner manufacture material matter means meeting mercury metal method mineral mixed mixture nature notice observed obtained ordinary oxide oxygen passed phosphate potassium powder practical precipitate prepared present produced Prof pure quantity radiometer reaction reduced remarks salt separated Society soda sodium soluble solution substance sulphate sulphuric acid surface taken temperature tion tube weight yellow