 | sir Henry Enfield Roscoe - 1869 - 396 pages
...the same physicist, after a striking description of the spectra of lithium and strontium, continues: "Hence I hesitate not to say that optical analysis...substances from each other with as much certainty as, if not more than, any other known method." In these expressions the idea of "chemical analysis... | |
 | Mary Somerville - 1869 - 454 pages
...114. 134 SPECTRUM ANALYSIS. PARTI. exhibits one single red ray.5 Whence Mr. Fox Talbot observes, ' I hesitate not to say that optical analysis can distinguish...minutest portions of these two substances from each other wi£h as much certainty, if not more, than any other known method.' Thus Sir John Herschel and Mr.... | |
 | John Henry Pepper - 1869 - 722 pages
...Talbst, speaking of his experiments with the red tint of flame produced by lithium and strontium, says, " I hesitate not to say that optical analysis can distinguish the minutest portion of these substances from any other, with as much certainty as, if not more than, by any other... | |
 | Henry Enfield Roscoe, Carl Schorlemmer - 1870 - 360 pages
...der treffenden Beschreibung der Lithium- und Strontiumspectren : „Hence I hesitate not to say tbat optical analysis can distinguish the minutest portions...substances from each other with as much certainty as, if not more, than any other known method." Es ist durch diese Aeusserungen der Gedanke der „chemischen... | |
 | Lucius Edwin Smith, Henry Griggs Weston - 1870 - 528 pages
...special history, " I hesitate not to declare that optical analysis can distinguish the minutest portion of these two substances from each other with as much certainty, if not more, than by any known method." Still earlier than this he had expressed the conviction that " the prismatic... | |
 | Royal Society of Edinburgh - 1872 - 914 pages
...number of red rays, well separated from each other by dark intervals, not to mention an orange, and a very definite bright blue ray. The lithia exhibits...distinguish the minutest portions of these two substances with as much certainty, if not more, than any other known method." Another passage, taken from the... | |
 | Henry Enfield Roscoe - 1873 - 552 pages
...great number of red rays well separated from each other by dark intervals, not to mention an orange and a very definite bright blue ray. The lithia exhibits...substances from each other with as much certainty as, if not more than, any known method." Still Talbot says further on, that " the mere presence of... | |
 | sir Henry Enfield Roscoe - 1873 - 550 pages
...great number of red rays well separated from each other by dark intervals, not to mention an orange and a very definite bright blue ray. The lithia exhibits...substances from each other with as much certainty as, if not more than, any known method." Still Talbot says further on, that " the mere presence of... | |
 | Henry Enfield Roscoe - 1873 - 542 pages
...great number of red rays well separated from each other by dark intervals, not to mention an orange and a very definite bright blue ray. The lithia exhibits...substances from each other with as much certainty as, if not more than, any known method." Still Talbot says further on, that " the mere presence of... | |
 | Norman Macleod - 1873 - 1002 pages
...lithia shows only a single red ray in the red portion. "Hence," says Mr. Talbot, " I do not hesitate to say that optical analysis can distinguish the minutest...substances from each other, with as much certainty as, if not more than, any known method." It seems strange that, with such a clear indication of its... | |
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The strontia flame exhibits a great number of red rays well separated from each other by dark intervals, not to mention an orange and a very definite bright blue ray. The lithia exhibits one single red ray. Hence I hesitate not to say that optical analysis... 
