 | sir Henry Enfield Roscoe - 1873 - 550 páginas
...pressure is reduced, the sJwrtesl lines disappearing first and the longest lines remaining longest visible. Since it appeared that the purest and densest...final result was that only the very longest lines iu the spectrum of the metallic vapour remained. It was observed that in the case of elements with... | |
 | 1873 - 562 páginas
...various characters and lengths of the lines shown. Since it appeared that the purest and densest vapor alone gave the greatest number of lines, it became...very longest lines in the spectrum of the metallic vapor remained. It was observed that in the case of dements with low atomic weights, combined with... | |
 | Sir Norman Lockyer - 1873 - 516 páginas
...pressure is reduced, the shortest lints dhappearing Jttft, and the longest lines remaining longest visible. Since it appeared that the purest and densest...all the short lines were obliterated. Changing the spark-condilions, the final result was, that only the very longest lines in the spectrum of the metallic... | |
 | Sir Norman Lockyer - 1874 - 748 páginas
...SrCl,. Cd Clj, Ba Cls, Pb C12, and A13 C16. It was found in all ' T aWn's scale as given by Watts. B cases that the difference between the spectrum of...spectrum of the metal was : — That under the same spark conditions the short lines were obliterated, while the air-lines remained unchanged in tliickness.... | |
 | Sir Norman Lockyer - 1874 - 734 páginas
...CdClj, BaCl , PbClj, and Al, C16. It was found in all Sfiff-a of th -chlfridts obscn-eJ. 5-P 543 — -D cases that the difference between the spectrum of...chloride and the spectrum of the metal was : — That tinder the same spark conditions the short lines were obliterated, while the air lines remained unchanged... | |
 | Sir Norman Lockyer - 1878 - 306 páginas
...the metallic spectra were compared with those given by the same metals when combined with chlorine.* It was found in all cases that the difference between...metal was : — That under the same spark-conditions the short lines of the metals were obliterated in the spectrum of the chloride, it/hile the air lines... | |
 | Sir Norman Lockyer - 1878 - 304 páginas
...the metallic spectra were compared with those given by the same metals when combined with chlorine.* It was found in all cases that the difference between...metal was : — That under the same spark-conditions the short lines of the metals-were obliteratedin the spectrum of the chloride, while the air lines... | |
 | British Association for the Advancement of Science. Meeting - 1880 - 978 páginas
...sufficient to restore the lost lines.' Mr. Lockyer next examined the spectra given by chemical compounds .' It was found in all cases that the difference between...the spectrum of the metal was: That -under the same spark conditions the short lines were obliterated, while the air lines remained unchanged in thickness.'... | |
 | British Association for the Advancement of Science - 1880 - 982 páginas
...sufficient to restore the lost lines.' Mr. Lockyer next examined the spectra given by chemical compounds .' It was found in all cases that the difference between...of the chloride and the spectrum of the metal was : Tliat under the same spark conditions the short lines were obliterated, while the air lines remained... | |
 | Royal Society (Great Britain) - 1884
...while longer lines remain. Further, he states in reference to the spectra of chemical compounds : " It was found in all cases that the difference between...spectrum of the metal was : — That under the same spark conditions the short lines were obliterated, while the air lines remained unchanged in thickness"... | |
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Since it appeared that the purest and densest vapour alone gave the greatest number of lines, it became of interest to examine the spectra of compounds consisting of a metal combined with a nonmetallic element. Experiments with chlorides are recorded.... 
