Chemical News and Journal of Industrial Science, Tomy 5-6Chemical news office., 1862 |
Z wnętrza książki
Wyniki 1 - 3 z 89
Strona 214
... Flames . — The first person who seems to have examined a coloured flame by means of the prism was Sir David Brewster , who proposed , as a source of achromatic light , the flame of diluted alcohol , which he found gave a fine ...
... Flames . — The first person who seems to have examined a coloured flame by means of the prism was Sir David Brewster , who proposed , as a source of achromatic light , the flame of diluted alcohol , which he found gave a fine ...
Strona 262
... flames ; here we can produce the luminous vapour of a number of these substances . I can here produce the characteristic yellow flame of sodium . If I bring the salts of potash into this flame I can produce the peculiar colour given by ...
... flames ; here we can produce the luminous vapour of a number of these substances . I can here produce the characteristic yellow flame of sodium . If I bring the salts of potash into this flame I can produce the peculiar colour given by ...
Strona 290
... flame was exactly the same as the amount of that light which it absorbs from the Drummond's light , we should see no difference at all in the spectrum . But there is a difference . The intensity of the light given off by the sodium flame ...
... flame was exactly the same as the amount of that light which it absorbs from the Drummond's light , we should see no difference at all in the spectrum . But there is a difference . The intensity of the light given off by the sodium flame ...
Inne wydania - Wyświetl wszystko
Kluczowe wyrazy i wyrażenia
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