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Resonance ionization mass spectrometry (RIMS) was applied to a spectral study of Th, U, Np, Am, and Cm in the wavelength region of 580–607 nm. One or more analytically useful RIMS peaks were observed for all these actinides except Cm. From the data presented, spectral interference among these elements can be assessed. Several new high-lying energy levels for these elements have been cataloged.
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Donohue et al. (1985) studied this question.
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