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The Spark Spectrum of Lithium

Abstract

IT has been shown by Schüler and the present author that the first spark spectrum of lithium (the Li II spectrum) is of the same type as the arc spectrum of helium and consists of two spectral systems. In a letter published in NATURE of October 17, 1925, a scheme of those terms of the lithium spark spectrum was given, which must be considered as analogous to the terms of the ordinary ‘doublet’ spectrum of helium (the orthohelium spectrum). In this note the results of further research on the lithium spark spectrum will be given. A number of new spark lines has been found which makes it possible to establish a series scheme of the terms of the lithium spark spectrum which are analogous to the terms of the singulet spectrum of helium (the parhelium spectrum).

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WERNER, S. The Spark Spectrum of Lithium. Nature 118, 154–155 (1926). https://doi.org/10.1038/118154b0

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