Chemical News and Journal of Industrial Science, Tom 7Chemical news office., 1863 |
Z wnętrza książki
Wyniki 1 - 5 z 99
Strona 3
... temperature or by a blow , and the presence of acetylene in lighting gas having been recently proved by M. Berthelot , I have tried to ascer- tain whether acetylene , in presence of air , could combine with copper , and so form ...
... temperature or by a blow , and the presence of acetylene in lighting gas having been recently proved by M. Berthelot , I have tried to ascer- tain whether acetylene , in presence of air , could combine with copper , and so form ...
Strona 6
... temperature I used , dry arsenic acid or the anhydrous acid . Mr. Hindmarsh : You stopped short ; go on with the passage . - Witness reading : " Arsenic acid thus obtained is milk - white and contains no water . " That is not abso ...
... temperature I used , dry arsenic acid or the anhydrous acid . Mr. Hindmarsh : You stopped short ; go on with the passage . - Witness reading : " Arsenic acid thus obtained is milk - white and contains no water . " That is not abso ...
Strona 15
... temperature , a crystalline structure becomes apparent in the ingot : this is shown by the appearance of a beautiful watering ( moiré ) , produced when the metal is moistened with water , which cleanses the surface like acids . Before ...
... temperature , a crystalline structure becomes apparent in the ingot : this is shown by the appearance of a beautiful watering ( moiré ) , produced when the metal is moistened with water , which cleanses the surface like acids . Before ...
Strona 16
... temperature is raised sufficiently high , the precipitate itself can even be entirely melted , in which case , the mother - waters can be decanted ; but then they generally have an intense red colour , especially if excess of tannin has ...
... temperature is raised sufficiently high , the precipitate itself can even be entirely melted , in which case , the mother - waters can be decanted ; but then they generally have an intense red colour , especially if excess of tannin has ...
Strona 17
... temperature too high must , however , be avoided , as the colours easily lose their purity and brightness . Aniline violets , and blues , produced in this way are almost insoluble in water ; so that the small quantity of acid they ...
... temperature too high must , however , be avoided , as the colours easily lose their purity and brightness . Aniline violets , and blues , produced in this way are almost insoluble in water ; so that the small quantity of acid they ...
Inne wydania - Wyświetl wszystko
Kluczowe wyrazy i wyrażenia
according action added alcohol ammonia amount aniline apparatus appears application arsenic acid become bismuth bodies boiling called carbon cent CHEMICAL chemistry chloride coal colour combination communication compound considered consists containing continued copper corresponding described dissolved distillation effect employed evaporated examined experiments extract fact give given heat hydrochloric hydrogen important Improvements iron known lead less light lime liquid London manufacture manure mass material matter means metal method mineral mixed mixture nature necessary nitric Notices observed obtained operation ordinary oxide oxygen passed patent peat plants platinum portion potash practical precipitate prepared present produced proportion pure quantity reference regard remains remarkable ROYAL salt scientific separated silver Society soda soluble solution steel Street substances sufficient sulphuric acid temperature thallium tion treated tube vapour weight