Extraction of thallium and indium isotopes as the homologues of nihonium into the ionic liquids
Journal of Radioanalytical and Nuclear Chemistry(2018)
摘要
Extraction of thallium and indium, as the homologues of nihonium, from HCl solutions into hydrophobic ionic liquids was studied. In the presence of NaClO 2 as the oxidizing agent, thallium is effectively extracted into all the tested ionic liquids from 0.2 to 5 M HCl. In absence of NaClO 2 , thallium extraction strongly depends on the HCl concentration and no extraction of indium was observed. Using [C 6 mim][NTf 2 ] and [Tbma][NTf 2 ], the thallium/indium separation factors SF(Tl/In) > 4 × 10 4 can be achieved. Hence, the system with NaClO 2 oxidizing agent can be considered a candidate for the future studies of nihonium chemical properties.
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关键词
Thallium,Indium,Superheavy elements,Ionic liquids,Liquid–liquid extraction,Nihonium
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