Extraction behavior of Mo and W from H2SO4 and HF/HCl solutions into toluene with Aliquat336: sulfate and fluoride complex formation of Mo and W towards chemical studies of seaborgium (Sg)

Atsushi Toyoshima, Akina Mitsukai, Kazuaki Tsukada, Kazuhiro Ooe, Hiromitsu Haba, Yukiko Komori, Masashi Murakami, Yusuke Kaneya, Daisuke Sato, Masato Asai, Tetsuya K. Sato, Yuichiro Nagame

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1 Citation (Scopus)

Abstract

We have studied extraction behavior of group-6 elements Mo and W to search for suitable conditions for an on-line extraction experiment of their heavier homolog, seaborgium (Sg). Batch-wise extraction of carrier-free radiotracers 93mMo and 177,179,181W were carried out from 0.10 – 8.6 M H2SO4 and 1.0 × 10−4 − 5.0 M HF/1.0 M HCl into toluene with a quaternary ammonium compound, Aliquat336. Anionic sulfate complexes of Mo and W with charge − 2 were extracted with Aliquat336 from H2SO4 solutions with concentrations of [H2SO4] > 2 M. In HF/1.0 M HCl, oxyfluoro complexes of Mo and W with charge − 1 were interpreted to be formed and extracted with Aliquat336. From these results, favorable conditions for the extraction of Sg are discussed.

Original languageEnglish
Pages (from-to)421-430
Number of pages10
JournalJournal of Radioanalytical and Nuclear Chemistry
Volume317
Issue number1
DOIs
Publication statusPublished - Jul 1 2018
Externally publishedYes

All Science Journal Classification (ASJC) codes

  • Analytical Chemistry
  • Nuclear Energy and Engineering
  • Radiology Nuclear Medicine and imaging
  • Pollution
  • Spectroscopy
  • Public Health, Environmental and Occupational Health
  • Health, Toxicology and Mutagenesis

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