Abstract
Oscillator strengths for one hundred and twenty-three Cr(II) lines, in the spectral region 2413–2718 Å, have been measured using a wall-stabilized arc. Chromium was introduced into the arc channel in a gas mixture containing Cr(ClO) 2, argon and helium. Diagnostic studies were carried out by a numerical solution of a set of equations which describes plasma properties for the case of partial LTE. The absolute scale was established by using the line 2672.83 Å of Cr(II) with accurately known ƒ-value. The measured oscillator strengths are compared with theoretical calculations. Discrepancies have been found to be greater than the experimental uncertainties.
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