Chemical News and Journal of Industrial Science, Tom 7Chemical news office., 1863 |
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Strona 5
... but it is not absolutely necessary . The solution of arsenic acid is then evaporated to dryness to expel the remaining nitrie and hydrochloric acids , but the dry mass is not heated 6 above the melting point of lead , otherwise oxygen.
... but it is not absolutely necessary . The solution of arsenic acid is then evaporated to dryness to expel the remaining nitrie and hydrochloric acids , but the dry mass is not heated 6 above the melting point of lead , otherwise oxygen.
Strona 6
... lead , otherwise oxygen gas is emitted , and arsenious acid reproduced . " I say that , if I were to perform the experiment according to these in- structions , I should get , according to the temperature I used , dry arsenic acid or the ...
... lead , otherwise oxygen gas is emitted , and arsenious acid reproduced . " I say that , if I were to perform the experiment according to these in- structions , I should get , according to the temperature I used , dry arsenic acid or the ...
Strona 7
... lead one they were not basic in their character , nor did they con- tain aniline . The solution in water or alcohol had a mag- nificent blue colour , being , however , more fugitive than beautiful ; and , as evidence of the commercial ...
... lead one they were not basic in their character , nor did they con- tain aniline . The solution in water or alcohol had a mag- nificent blue colour , being , however , more fugitive than beautiful ; and , as evidence of the commercial ...
Strona 8
... lead was very soluble , even the natural crystals of this substance being rapidly attacked . The chromate of lead was almost insoluble , and the author was induced to attempt the separation of chromate and sulphate of lead in this way ...
... lead was very soluble , even the natural crystals of this substance being rapidly attacked . The chromate of lead was almost insoluble , and the author was induced to attempt the separation of chromate and sulphate of lead in this way ...
Strona 12
... lead to a portion of the solution . When more silver salt is added , the production of a dark brown precipitate , quickly becoming black , continues until the other salts are decomposed . It is evident , therefore , that M. Lestelle's ...
... lead to a portion of the solution . When more silver salt is added , the production of a dark brown precipitate , quickly becoming black , continues until the other salts are decomposed . It is evident , therefore , that M. Lestelle's ...
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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