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The third and fourth spectra of gallium: Ga III and Ga IV
Authors:Y.N. Joshi  K.S. Bhatia  W.E. Jones
Affiliation:Physics Department, St. F.X. University, Antigonish, N.S., Canada;Chemistry Department, Dalhousie University, Halifax, N.S., Canada
Abstract:The third and fourth spectra of gallium have been photographed in the region 6000–400 Å by using a 3-m normal-incidence, vacuum spectrograph and a 3.5-m Ebert spectrograph. A three-electrode vacuum spark and a spark in helium were used as sources. New measurements for the wavelengths have confirmed earlier work and provided material to extend the analysis of Ga III and Ga IV.
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