Synthesis and Extraction Properties of 4,5-Diphosphorylated Triazolesстатья
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Дата последнего поиска статьи во внешних источниках: 17 апреля 2024 г.
Аннотация:A method for the synthesis of 4,5-diphosphorylated 1,2,3-triazoles has been developed and their extraction properties with respect to U(VI), Th(IV), and lanthanide(III) ions have been studied. A synergistic effect was found in the extraction of metal ions with mixtures of 4,5-diphosphorylated 1,2,3-triazoles and dinonylnaphthalenesulfonic acid. The stoichiometry of the extracted complexes was determined, and the influence of the extractant structure and the HNO3 concentration in the aqueous phase on the efficiency of the metal ions extraction into the organic phase was considered. It was found that 4,5-diphosphorylated 1,2,3-triazole with the octyl substituent at nitrogen atom has the highest extraction ability with respect to actinides and lanthanides in nitric acid media.