Chemical News and Journal of Industrial Science, Tom 12Chemical news office., 1865 |
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Strona 9
... precipitate of acetylide of copper ( C , H , Cu2 ) , which is a compound in which two proportions of copper have replaced one of hydrogen . This acetylide of copper is to be collected on a filter , washed with water , and dried . If it ...
... precipitate of acetylide of copper ( C , H , Cu2 ) , which is a compound in which two proportions of copper have replaced one of hydrogen . This acetylide of copper is to be collected on a filter , washed with water , and dried . If it ...
Strona 10
... precipitate contains all the curarine . It is washed , suspended in water , and decomposed by sulphu- retted hydrogen ; and thus hydrochlorate of curarine is obtained in solution . The purification may be effected as usual in such cases ...
... precipitate contains all the curarine . It is washed , suspended in water , and decomposed by sulphu- retted hydrogen ; and thus hydrochlorate of curarine is obtained in solution . The purification may be effected as usual in such cases ...
Strona 11
... precipitate of a compound of hydrogen , sulphur , and arsenicum , which does not appear to have a constant composition , the proportion of hydrogen and sulphur increasing with the duration of the experiment . A similar compound is ...
... precipitate of a compound of hydrogen , sulphur , and arsenicum , which does not appear to have a constant composition , the proportion of hydrogen and sulphur increasing with the duration of the experiment . A similar compound is ...
Strona 13
... precipitate the phosphate of lime , and equal to 6'3 per cent . of real ammonia . Therefore as- z ( NH , ) ( CaO ) , POs per cent . 34 : 155 :: 63 to x = 28 72 p.c. of phosphate of lime . By the use of the oxide of lead , the free ...
... precipitate the phosphate of lime , and equal to 6'3 per cent . of real ammonia . Therefore as- z ( NH , ) ( CaO ) , POs per cent . 34 : 155 :: 63 to x = 28 72 p.c. of phosphate of lime . By the use of the oxide of lead , the free ...
Strona 18
... precipitate of xanthate of copper ; and , when boiled with a little sugar of lead , it produces a brown or black precipitate . Dr. Hofmann's test for bisul- phide is to pass the gas through an ethereal solution of triethylphosphine ...
... precipitate of xanthate of copper ; and , when boiled with a little sugar of lead , it produces a brown or black precipitate . Dr. Hofmann's test for bisul- phide is to pass the gas through an ethereal solution of triethylphosphine ...
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acetic action alcohol ammonia amount analysis animal apparatus appear application atoms becomes bismuth bodies boiling called carbonic acid cause cent chemical Chemistry chloride coal colour combination communication complete composition compounds considerable constituent containing continued copper corresponding course described determined dissolved distillation effect elements employed equal ether examined existence experiments fact force give given glass glucose heat hydrochloric hydrogen important Improvements interest iron known lead lecture less light lime liquid manufacture matter means mercury metal method mineral mixed mixture molecules nature nitrogen notice observed obtained operation ordinary organic oxide oxygen pass practical precipitate prepared present produced proportion proved pure quantity received remains residue salts separated soda sodium amalgam solution substance sulphuric acid temperature tion tube vapour volume weight