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" This red ray appears to possess a definite refrangibility, and to be characteristic of the salts of potash, as the yellow ray is of the salts of soda, although, from its feeble illuminating power, it is only to be detected with a prism. If this should... "
Spectrum analysis, 6 lects - Page 127
by sir Henry Enfield Roscoe - 1870
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The Edinburgh Journal of Science, Volume 5

1826
...my comparing it directly with the sun. This red ray appears to possess a definite refrangi? bility, and to be characteristic of the salts of potash, as...formation or the presence of a definite chemical compound. An excellent prism is, however, requisite to determine the perfect homogeneity of a ray. 5. Phosphorus...
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The Edinburgh Journal of Science, Volume 5

1826 - 418 pages
...question undecided, as the ll" . faintness of the lamp prevented my comparing it directly with the sun. This red ray appears to possess a definite refrangibility,...formation or the presence of a definite chemical compound. An excellent prism is, however, requisite to determine the perfect homogeneity of a ray. < 5. Phosphorus...
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The Chemical News and Journal of Industrial Science; with which is ..., Volume 3

1861
...prism. If this should be admitted, I would further suggest that whenever the prism shows a htimoyencmis ray of any colour to exist in a flame, this ray indicates...formation or the presence of a definite chemical compound. An excellent prism is, however, requisite to determine the perfect homogeneity of a ray. 5. Phosphorus...
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National Review, Volume 13

1861
...possess a definite refrangibility, and to be characteristic of the salts of potash, as the yellow my is of the salts of soda, although, from its feeble...formation or the presence of a definite chemical compound. An excellent prism ia, however, requisite to determine the perfect homogenity of a ray." The concluding...
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Annalen der Physik und Chemie, Volume 118

1863 - 720 pages
...If this should be admitted, l would further suggest that ivhenever the prism shotvs a homogene aus ray of any colour, to exist in a flame, this ray indicates the formation or the presence of a definitc rhemical compound.« Etwas weiter sagt er bei der Besprechung des Speclruins von Bothfeuer...
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Spectrum Analysis -- Six Lectures

Henry E. Roscoe - 1869 - 372 pages
...molecules of the colouring matter, reduced to vapour and in a state of violent ignition." Talbot says : 1 " The flame of sulphur and nitre contains a red ray...the formation or the presence of a definite chemical compound'9 Somewhat further on, in speaking of the spectrum of red fire and of the frequent occurrence...
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Spectrum Analysis: Six Lectures, Delivered in 1868, Before the Society of ...

Henry Enfield Roscoe - 1870 - 508 pages
...prism. If this should be admitted, I would further suggest, that whenever the prism shows a Iwmogemous ray of any colour to exist in a flame, this ray indicates...instance, the orange ray may be the effect of the strontia, since Mr. Herschel found in the flame of muriate of strontia a ray of that colour. If this...
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Proceedings of the Royal Society of Edinburgh, Volume 7

Royal Society of Edinburgh - 1872 - 914 pages
...yellow ray is of the salts of soda. If this should be admitted, I would further suggest that ivhenever the prism shows a homogeneous ray of any colour to...or the presence of a definite chemical compound." Further on, speaking of the spectrum of red fire (such as is used in theatres and in fireworks), I...
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Spectrum Analysis: Six Lectures, Delivered in 1868, Before the Society of ...

Henry Enfield Roscoe - 1873 - 542 pages
...would further suggest, that whenever the prism shows a homogeneous my of any colour to exist in aflame, this ray indicates the formation or the presence of...instance, the orange ray may be the effect of the strontia, since Mr. Herschel found in the flame of muriate of strontia a ray of that colour. If this...
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Spectrum Analysis: Six Lectures, Delivered in 1868, Before the Society of ...

Henry Enfield Roscoe - 1873 - 552 pages
...further suggest, that whenever the prism shows a homogeneous rny of any colour to exist in aflame, this ray indicates the formation or the presence of...instance, the orange ray may be the effect of the strontia, since Mr. Herschel found in the flame of muriate of strontia a ray of that colour. If this...
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