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The identification of molecular spectra
Table of Persistent Band Heads.- Individual Band Systems.- Spectra of Deuterides.- Practical Procedure and Precautions.- On the identification of bands.- Sources.- Collimation.- Comparison spectra.-…
Separation of Hydrogen Isotopes by Diffusion through Palladium.
The Formula 4502 Band of NH
From a consideration of the possible electron configurations in the NH molecule Mulliken predicted a stable 1Ʃ+ state lying about 1·9 volts above the ground state 3Ʃ-. It is therefore to be…
The Band Spectrum of NH
IN the course of our investigation of the spectrum of discharges through streaming ammonia, it has been possible to record the λ 2530 band of NH, described by Hori1, with a Hilger E.l quartz…
Band Spectrum of Nickel Hydride: Bands at λ 5713, λ 6246 and λ 6424
The new system of bands discussed in this paper was obtained by one of the authors (A. G. G.) in an experiment to observe whether nickel gave an oxide band system similar to that of iron, which…
λ 3240 band of NH
- R. Pearse
- Materials Science
- 4 December 1933
Recently, during use of a heavy current discharge tube for producing the continuous spectrum of hydrogen, it was observed that the well-known λ 3360 band of NH was very well developed when there was…
The λ 2530 band of NH
A previous communication by the authors described the use of a hollow cathode discharge in rapidly streaming ammonia for the excitation of a new band system of NH having its (0, 0) band at λ 4502.…
The Formula 3400 Band of Phosphorus Hydride
- R. Pearse
- 1 October 1930
In the account of the band spectra associated with phosphorus* given in Kayer’s “Handbuch der Spectroscopie,” mention is made of a band lying between λ 3479 and λ 3379 which was obtained by Geuter…
THE COMPARATIVE VISUAL ACUITY AND EASE OF READING IN WHITE AND COLOURED LIGHT*
It is reasonable to conclude that visual acuity is-dependent on local brightness discriminationi, which is known to be a function of the intensity level.