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Competing Routes in the Extraction of Lanthanide Nitrates by 1,10-Phenanthroline-2,9-diamides: An Impact of Structure of Complexes on the Extraction.
Ustynyuk, Yuri A; Zhokhova, Nelly I; Gloriozov, Igor P; Matveev, Petr I; Evsiunina, Mariia V; Lemport, Pavel S; Pozdeev, Anton S; Petrov, Vladimir G; Yatsenko, Alexandr V; Tafeenko, Viktor A; Nenajdenko, Valentine G.
Affiliation
  • Ustynyuk YA; Department of Chemistry, M. V. Lomonosov Moscow State University, 119991 Moscow, Russia.
  • Zhokhova NI; Department of Chemistry, M. V. Lomonosov Moscow State University, 119991 Moscow, Russia.
  • Gloriozov IP; Department of Chemistry, M. V. Lomonosov Moscow State University, 119991 Moscow, Russia.
  • Matveev PI; Department of Chemistry, M. V. Lomonosov Moscow State University, 119991 Moscow, Russia.
  • Evsiunina MV; Department of Chemistry, M. V. Lomonosov Moscow State University, 119991 Moscow, Russia.
  • Lemport PS; Department of Chemistry, M. V. Lomonosov Moscow State University, 119991 Moscow, Russia.
  • Pozdeev AS; Department of Chemistry, M. V. Lomonosov Moscow State University, 119991 Moscow, Russia.
  • Petrov VG; Department of Chemistry, M. V. Lomonosov Moscow State University, 119991 Moscow, Russia.
  • Yatsenko AV; Department of Chemistry, M. V. Lomonosov Moscow State University, 119991 Moscow, Russia.
  • Tafeenko VA; Department of Chemistry, M. V. Lomonosov Moscow State University, 119991 Moscow, Russia.
  • Nenajdenko VG; Department of Chemistry, M. V. Lomonosov Moscow State University, 119991 Moscow, Russia.
Int J Mol Sci ; 23(24)2022 Dec 08.
Article in En | MEDLINE | ID: mdl-36555179
ABSTRACT
The fact of the fracture of the extraction curve of lanthanides by 1,10-phenanthroline-2,9-diamides is explained in terms of the structure of complexes, solvent extraction data and quantum chemical calculations. The solvent extraction proceeds in two competing directions in the form of neutral complexes LLn(NO3)3 and in the form of tight ion pairs {[LLn(NO3)2 H2O]+ (NO3-).
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Full text: 1 Collection: 01-internacional Database: MEDLINE Main subject: Lanthanoid Series Elements / Nitrates Language: En Journal: Int J Mol Sci Year: 2022 Document type: Article Affiliation country: RUSSIA
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Full text: 1 Collection: 01-internacional Database: MEDLINE Main subject: Lanthanoid Series Elements / Nitrates Language: En Journal: Int J Mol Sci Year: 2022 Document type: Article Affiliation country: RUSSIA