New chelating sorbents based on materials filled with organophosphorus complexing agentsстатья
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Дата последнего поиска статьи во внешних источниках: 4 мая 2020 г.
Аннотация:The chelating fibrous “filled” sorbents POLYORGS type with hydrazidine and amidoxime complexing groups (POLYORGS 33) and modified by reagent 3,6-bis-[(2-arsonophenyl)azo]-4,5-dihydroxy-2,7-naphtalen disulphoacid (Arsenazo-III) POLYORGS 33AIII pattern had been synthesized. The sorption ability of these materials were examined in the case of 241Am, 239Pu, 237Np, 233U, and 152Eu pre-concentration from simulated ground water solutions. It was found that all radionuclides above in indicator amounts (~10-5M) under preliminary experiments were recovered almost completely. POLYORGS 33 and POLYORGS 33AIII samples showed as well fast kinetics on the sorption process above.