Uranium L-lines emission chemical and isotope effects and the state of uranium atom in its compounds

Uranium compounds were studied by means of crystal-diffraction spectrometer (2000mm, geometry of Cauchois and of Dumond). The chemical and isotope shifts of it's the most intensive lines (Lα2, Lα1, Lβ1.. Lγ6....) were obtained. The complicated structure of chemical shifts of emission lines have been stated influenced both by the local atom charges and by the deviations of surrounding ligands from the spherical symmetry. No simple correlations observed between the oxidation states of atom and the chemical shifts of uranium L-emission lines. (orig.)