| Eneas Sweetland Dallas - 1870 - 532 pages
...put (in powder) into the wick of a spirit lamp. The colours thus communicated by the different bases to flame, afford, in many cases, a ready and neat...of detecting extremely minute quantities of them. The pure earths, when violently heated — as has been recently practised by Lieutenant Drummond, by... | |
| James Samuelson, Sir William Crookes - 1880 - 822 pages
...general," impart to flames, he observes 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 ;" and he assigns also reasons to show that " these tints arise from the molecules of the colouring-matter... | |
| Robert Routledge - 1881 - 748 pages
...of flame colorations in chemical analysis : " 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." 31 Fox-Talbot, whose name will always be remembered in connection with the beautiful art of photography,... | |
| Gustav Kirchhoff - 1882 - 832 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,... | |
| 1885 - 518 pages
...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... | |
| 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... | |
| Heinrich Kayser - 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... | |
| Sir Arthur Schuster, Sir Arthur Everett Shipley - 1917 - 432 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... | |
| Sir Arthur Schuster, Sir Arthur Everett Shipley - 1917 - 396 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... | |
| 1861 - 1188 pages
...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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