publication . Article . Other literature type . 1913

The Spectra of Helium and Hydrogen

E. J. EVANS;
Open Access
  • Published: 01 Oct 1913 Journal: Nature, volume 92, pages 95-96 (issn: 0028-0836, eissn: 1476-4687, Copyright policy)
  • Publisher: Springer Nature
Abstract
WITH regard to Mr. Evans's communication to NATURE, September 4, p. 5, I should like to remark that while I have for some time recognised that the experimental evidence, on the whole, seems to be in favour of helium as the origin of the new lines 4686, c these bands are of very feeble intensity at the low pressures necessary for their approximate isolation in the spectrum of the pure gas, but I have seen them greatly intensified when carbonic oxide was present as an impurity in helium. Also, the Ritz series of infra-red hydrogen lines was found by Paschen to be brighter in a mixture of hydrogen and helium than in hydrogen alone. Apart from this, I find it diffic...
Subjects
free text keywords: Multidisciplinary, Spectral line, Helium, chemistry.chemical_element, chemistry, Impurity, Materials science, Rydberg formula, symbols.namesake, symbols, Hydrogen, Oxide, chemistry.chemical_compound, Atomic physics, Physics, Astrophysics, Balmer series, Bohr model, Hydrogen spectral series
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publication . Article . Other literature type . 1913

The Spectra of Helium and Hydrogen

E. J. EVANS;