Chemical News and Journal of Industrial Science, Tom 7Chemical news office., 1863 |
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Strona 5
... adding to the mixture at the boiling point nitric acid in small quantities so long as ruddy fumes escape . An addition of hydrochloric acid is generally made to increase the solubility of the arsenious acid , but it is not absolutely ...
... adding to the mixture at the boiling point nitric acid in small quantities so long as ruddy fumes escape . An addition of hydrochloric acid is generally made to increase the solubility of the arsenious acid , but it is not absolutely ...
Strona 6
... added as long as red vapours are produced : the whole is then cautiously evaporated to complete dryness . ' We may differ about the complete dryness . If aniline is mixed with dry arsenic , and the mixture is allowed to stand , no ...
... added as long as red vapours are produced : the whole is then cautiously evaporated to complete dryness . ' We may differ about the complete dryness . If aniline is mixed with dry arsenic , and the mixture is allowed to stand , no ...
Strona 12
... added , gives , at first , no permanent precipitate ; but in a few moments a grey precipitate of metallic silver appears . The change is thus represented- NaO , SO2 + AgO , NO , NaO , NO¿ + SO ̧ + Aq . Hyposulphite of soda , when ...
... added , gives , at first , no permanent precipitate ; but in a few moments a grey precipitate of metallic silver appears . The change is thus represented- NaO , SO2 + AgO , NO , NaO , NO¿ + SO ̧ + Aq . Hyposulphite of soda , when ...
Strona 15
... added to the number ; and within the last three years three others have been discovered , rubidium , cæsium , and thallium , all three by spectrum analysis . From this we may be allowed to hope that the number of these metals , and of ...
... added to the number ; and within the last three years three others have been discovered , rubidium , cæsium , and thallium , all three by spectrum analysis . From this we may be allowed to hope that the number of these metals , and of ...
Strona 16
... adding double the weight of sodium to the weight of potassium , we obtain the weight of rubidium : 46 + 39 = 85 ; 3. That by adding twice the weight of sodium to twice the weight of potassium , we get nearly the weight of cæsium : 46 + ...
... adding double the weight of sodium to the weight of potassium , we obtain the weight of rubidium : 46 + 39 = 85 ; 3. That by adding twice the weight of sodium to twice the weight of potassium , we get nearly the weight of cæsium : 46 + ...
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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