Chemistry of the CARBOFTOREX process. Identification of the absorption bands of the ligands in the electronic spectra of aqueous solutions of U(VI) fluoride carbonate complexesстатья
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Аннотация:The electronic absorption bands of U(VI) fluoride carbonate and fluoride hydroxide complexes
were assigned taking account of dissociation, hydration, association, and ligand exchange. The absorption in the range of 190–400 nm was found to be related to the formation of neutral and dissociated anionic U(VI) fluoride carbonate and fluoride hydroxide complexes and the polynuclear Na2n[(UO2–O–UO2)F4(OH)2n – 1 ⋅ kH2O] complex.