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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... "
Spectrum analysis, 6 lects - Page 96
by sir Henry Enfield Roscoe - 1870
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Gesammelte Abhandlungen

Gustav Kirchhoff - 1882 - 641 pages
...spirit-lamp" — „The colours thus communicated by the different bases to flame afford, in niany cases, a ready and neat way of detecting extremely minute quantities of them" . . . „The pure earths, when violently heated, äs has recently been practised by Lieutenant Drummond,...
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Knowledge: An Illustrated Magazine of Science, Volume 8

1885
...the spectra of various-coloured flames, and some four or five years afterwards we fini!; him saying " the colours thus contributed by different objects to flame afford in many cases a ready and neatway of detecting extremely minute quantities of them. In the year 1826, Fox Talbot, the father...
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Discoveries and Inventions of the Nineteenth Century

Robert Routledge - 1893 - 732 pages
...and of some other substances, remarking that " 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." A few years later, Fox TaIbot described the method of obtaining a monochromatic flame, by using in...
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Handbuch der Spectroscopie, Volume 1

Heinrich Kayser, Heinrich Mathias Konen - 1900 - 830 pages
...pale violet." — „The colours thus communicated by the different bases to flame afford, in niany cases, a ready and neat way of detecting extremely minute quantities of them." — „ . . . can be no doubt that these tints arise from the molecules of the colouring matter reduced...
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Britain's Heritage of Science

Sir Arthur Schuster, Sir Arthur Everett Shipley - 1917 - 334 pages
...1823, and made two significant observations: " The colours thus communicated by the different gases to flame afford, in many cases, a ready and neat way...of detecting extremely minute quantities of them," and " no doubt these tints arise from the molecules of the colouring matter reduced to vapour, and...
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Britain's Heritage of Science

Sir Arthur Schuster, Sir Arthur Everett Shipley - 1917 - 334 pages
...made two significant observations : " The colours thus communicated by the different gases to Same afford, in many cases, a ready and neat way of detecting extremely minute quantities of them," and " no doubt these tints arise from the molecules of the colouring matter reduced to vapour, and...
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The London, Edinburgh and Dublin Philosophical Magazine and Journal of Science

1861
...volatility. He also adds the distinct statement, that " the colours thus communicated by different bases to flame afford in many cases a ready and neat way...of detecting extremely minute quantities of them." ROYAL SOCIETY. [Continued from p. 77-] November 22, 1860. — Major-General Sabine, RA, Treasurer and...
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The Analysis of Starlight: One Hundred and Fifty Years of Astronomical ...

J. B. Hearnshaw - 1990 - 531 pages
...Sir John Herschel (1792-1871). He wrote in 1823: 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' (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 - 435 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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Eclectic Magazine: Foreign Literature, Volume 14; Volume 77

John Holmes Agnew, Walter Hilliard Bidwell - 1871
...these researches were carried on, at intervals at all events, till 1827, when he wrote, " The colors thus contributed by different objects to flame afford...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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