Chemical News and Journal of Industrial Science, Tom 7Chemical news office., 1863 |
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Strona 3
... Dissolve the sulphide of sodium in the water , then add the sulphur , and heat gently until the latter is dissolved . The solution obtained in this way will contain exactly 100 grammes of penta - sulphide of sodium , which is suffi ...
... Dissolve the sulphide of sodium in the water , then add the sulphur , and heat gently until the latter is dissolved . The solution obtained in this way will contain exactly 100 grammes of penta - sulphide of sodium , which is suffi ...
Strona 4
... dissolved in three times their weight of alcohol , and mixed with the lozenge paste while it remains very soft . It ... dissolving arsenious acid - the white arsenic of commerce water in its constitution . Arsenic acid is produced by ...
... dissolved in three times their weight of alcohol , and mixed with the lozenge paste while it remains very soft . It ... dissolving arsenious acid - the white arsenic of commerce water in its constitution . Arsenic acid is produced by ...
Strona 5
... dissolved in water and boiled down , produces the pure solid magenta . I should say that any nitric acid in the mixture would have no effect in producing the dye . Lord Chief Justice Cockburn : What I understood you to say just now was ...
... dissolved in water and boiled down , produces the pure solid magenta . I should say that any nitric acid in the mixture would have no effect in producing the dye . Lord Chief Justice Cockburn : What I understood you to say just now was ...
Strona 6
... dissolved in hot hydrochloric acid , and oxidised by the addition of nitric acid , the latter being added as long as red vapours are produced : the whole is then cautiously evaporated to complete dryness . ' We may differ about the ...
... dissolved in hot hydrochloric acid , and oxidised by the addition of nitric acid , the latter being added as long as red vapours are produced : the whole is then cautiously evaporated to complete dryness . ' We may differ about the ...
Strona 8
... dissolved freely in hyposulphite of soda , forming a colour- less solution . The suboxide of copper and the hydrated protoxide were very soluble . On heating such solutions , black sulphide of copper was precipitated . The scarlet ...
... dissolved freely in hyposulphite of soda , forming a colour- less solution . The suboxide of copper and the hydrated protoxide were very soluble . On heating such solutions , black sulphide of copper was precipitated . The scarlet ...
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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