Chemical News and Journal of Industrial Science, Tomy 5-6Chemical news office., 1862 |
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Strona 221
... given off from the brightest fixed stars - Sirius , for instance ; and there he made this most important observation , that in the Sirius - light , lines or bands were present which were not present in either direct sunlight , or the ...
... given off from the brightest fixed stars - Sirius , for instance ; and there he made this most important observation , that in the Sirius - light , lines or bands were present which were not present in either direct sunlight , or the ...
Strona 288
... given of the metal mercury . Here we notice two lines between these lines D , -two lines given by the glowing vapour of zinc and nickel . Here are a number of lines all connected together by a horizontal division ; they are all given by ...
... given of the metal mercury . Here we notice two lines between these lines D , -two lines given by the glowing vapour of zinc and nickel . Here are a number of lines all connected together by a horizontal division ; they are all given by ...
Strona 290
... given off by the two lights is rendered apparent on the screen , and we get dark spaces in the spectrum where we should otherwise have bright lines . If the amount of light given off by the sodium flame was exactly the same as the ...
... given off by the two lights is rendered apparent on the screen , and we get dark spaces in the spectrum where we should otherwise have bright lines . If the amount of light given off by the sodium flame was exactly the same as the ...
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acetic acetic acid action alcohol alkaline alumina ammonia analysis aniline apparatus appears atmosphere beautiful blue body boiling bromine brown carbonic acid cent charcoal chemical Chemistry chemists chloride coal colouring matter composition compound containing copper crystallised crystals dilute dissolved distilled electric employed Ether sol ethylamine evaporated experiments filter flame flask gases glass grains grammes heat hydrochloric acid hydrogen Improvements insoluble iodine iron lecture light lime lines liquid London manufacture metal method mineral minutes mixed mixture nitrate nitric acid nitrogen observed obtained oxalic oxalic acid oxide oxygen paper passed phosphoric acid plants platinum portion potash potassium precipitate prepared present prism produced Professor proportion pure rays reaction residue rubidium salt silica silver soda sodium soil soluble solution specimens spectra spectrum strychnia substance sulphate sulphide sulphuric acid surface tartaric acid temperature thallium tion tube vapour yellow zinc