 | Royal Society of Edinburgh - 1872 - 882 pągines
...effect of the strontia, since Herschel found in the flame of muriate of strontia a ray of that colour. If this opinion should be correct, and applicable...flame may show it to contain substances which it would othenmse require a laborious chemical analysis to detect." An early paper by Herschel has been omitted... | |
 | J. B. Hearnshaw - 1990 - 554 pągines
...exist in a flame, this ray indicates the formation or the presence of a definite chemical compound ... If this opinion should be correct and applicable to...prismatic spectrum of a flame may show it to contain susbstances which it would otherwise require a laborious chemical analysis to detect (10). Together... | |
 | Peter Whitfield - 1999 - 286 pągines
...the spectroscope was grasped quite early, as the pioneer of photography, Fox Talbot, wrote in 1826 'a glance at the prismatic spectrum of a flame may...require a laborious chemical analysis to detect'. But its potential for analysing starlight was first realized during the years 1859-1862 by Gustav Kirchhoff... | |
 | Stuart Clark, Stuart G. Clark - 2007 - 236 pągines
...realized that each chemical element gave off a unique pattern of colored lines when burned. They wrote, "A glance at the prismatic spectrum of a flame may...require a laborious chemical analysis to detect." As knowledge of such "flame tests" spread, scientists speculated that perhaps the dark Fraunhofer lines... | |
 | 1863 - 1212 pągines
...of the strontia, since Mr. Herschel found in the flame of muriate of strontia a ray of that colour. If this opinion should be correct, and applicable...require a laborious chemical analysis to detect." In a subsequent communication*, the same physicist, after a striking description of the spectra of... | |
 | 1862 - 670 pągines
...with the following observation, which follows some remarks upon some experiments of Herschel's :— " If this opinion should be correct and applicable to...rays, a, glance at the prismatic spectrum of a flame mai/ show it to contain substances which it mould otherwise require a laborious chemical analysis to... | |
 | 1862 - 670 pągines
...with the following observation, which follows some remarks upon some experiments of Herschel's : — " If this opinion should be correct and applicable to...definite rays, a glance at the prismatic spectrum of a Jtame may show it to contain substances which it would otherюг-sé require a laborious chemical analysis... | |
 | 1894 - 506 pągines
...: ' ' If this opinion should be correct ami applicable to the other definite rays, a glance at t/ie prismatic spectrum of a flame may show it to contain substances which it ivonld otherwise require a laborious chemical analysis to detect." Questions. — We like to help our... | |
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For 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 opinion should be correct, and applicable to the other definite rays, a glance at the prismatic... 
