Chemical News and Journal of Industrial Science, Tom 7Chemical news office., 1863 |
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Strona 3
... evaporation of the waters . By using copper reduced by hydrogen , I extended the surface of the metal . A small quantity of metal was placed in two flasks containing a mixture of equal volumes of air and acetylene , and also in one of ...
... evaporation of the waters . By using copper reduced by hydrogen , I extended the surface of the metal . A small quantity of metal was placed in two flasks containing a mixture of equal volumes of air and acetylene , and also in one of ...
Strona 4
... evaporation of the liquid and the volatilisation of the gas . The salts , therefore , even when obtained from the natural source , as at Vichy , can only be looked on as arti- ficial products . " known in chemistry for about thirty ...
... evaporation of the liquid and the volatilisation of the gas . The salts , therefore , even when obtained from the natural source , as at Vichy , can only be looked on as arti- ficial products . " known in chemistry for about thirty ...
Strona 5
... 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.
... 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
... 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 colour will be produced , nor would there if water was present . The ...
... 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 colour will be produced , nor would there if water was present . The ...
Strona 9
... evaporation . When moun- tain peat is cut in slices , as I have described , and spread out on the ground during dry weather , the drying goes on rapidly , the surface of the pieces acquire a kind of skin , which is not wetted again by ...
... evaporation . When moun- tain peat is cut in slices , as I have described , and spread out on the ground during dry weather , the drying goes on rapidly , the surface of the pieces acquire a kind of skin , which is not wetted again by ...
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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