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" The colours thus communicated by the different bases to flame afford in many cases a ready and neat way of detecting extremely minute quantities of them The pure earths, when violently heated, as has recently been practised by Lieut. "
Annalen der Physik und Chemie - Page 97
1863
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The Analysis of Starlight: One Hundred and Fifty Years of Astronomical ...

J. B. Hearnshaw - 1990 - 554 pages
...spectra of flames was taken up from the early 1820s by Sir John Herschel (1792-1871). He wrote in 1823: The colours thus communicated by the different bases...of detecting extremely minute quantities of them' (3). Herschel was therefore one of the first to suggest that flame colours could be used for chemical...
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Modern Theories of the Universe: From Herschel to Hubble

Michael J. Crowe - 1994 - 468 pages
...with various metallic salts, stated: "The colours thus communicated by the different bases to flames afford, in many cases, a ready and neat way of detecting extremely minute quantities of them. . . ." By 1828 Josef Fraunhofer had published papers in which he ( 1 ) described over 500 dark lines...
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The London, Edinburgh and Dublin Philosophical Magazine and Journal of Science

1863 - 1212 pages
...best, from their volatility. The same colours are exhibited also when any of the salts in question are put (in powder) into the wick of a spiritlamp The...violently heated, as has recently been practised by Lieat. Drummond, by directing on small spheres of them the flames of several spirit-lamps, urged by...
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Eclectic Magazine: Foreign Literature, Volume 14; Volume 77

John Holmes Agnew, Walter Hilliard Bidwell - 1871 - 828 pages
...intervals at all events, till 1827, when he wrote, " The colors thus contributed by different objects to flame afford in many cases a ready and neat way...of detecting extremely minute quantities of them." Here we find spectrum analysis almost stated in terms, and yet, although Herschel, Brewster, and Fox...
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