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Synthesis of plutonium trichloride and measurement of redox potentials for the Pu3+/Pu0 couple in NaCl–2CsCl melt.

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Title: Synthesis of plutonium trichloride and measurement of redox potentials for the Pu3+/Pu0 couple in NaCl–2CsCl melt.
Authors: Hayashi, Hirokazu1,2 (AUTHOR) hayashi.hirokazu55@jaea.go.jp, Minato, Kazuo1,3 (AUTHOR)
Source: Journal of Radioanalytical & Nuclear Chemistry. Jun2026, Vol. 335 Issue 6, p4233-4240. 8p.
Subject Terms: *Reduction potential, *Chemical synthesis, *Gibbs' free energy, *Solid state chemistry, *Electrochemical analysis, *Activity coefficients, *Fused salts
Abstract: Plutonium trichloride (PuCl3) was synthesized by a solid-state reaction of plutonium nitride with cadmium chloride. Electrochemical studies of PuCl3–(NaCl–2CsCl) melt at 823–923 K revealed that Pu3+ ions are reduced to Pu metal by a single-step mechanism and that the apparent standard potentials of the Pu3+/Pu0 redox couple are given by E*(Pu3+/Pu0) = − 3.514 + 8.60 × 10−4 T vs. Cl2/Cl− (V). The activity coefficients of Pu3+ ions were determined using the previously reported Gibbs free energy of formation for PuCl3 in the supercooled liquid state. [ABSTRACT FROM AUTHOR]
Database: Energy & Power Source
FullText Text:
  Availability: 0
Header DbId: enr
DbLabel: Energy & Power Source
An: 195094657
AccessLevel: 6
PubType: Academic Journal
PubTypeId: academicJournal
PreciseRelevancyScore: 0
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Items – Name: Title
  Label: Title
  Group: Ti
  Data: Synthesis of plutonium trichloride and measurement of redox potentials for the Pu<superscript>3+</superscript>/Pu<superscript>0</superscript> couple in NaCl–2CsCl melt.
– Name: Author
  Label: Authors
  Group: Au
  Data: <searchLink fieldCode="AR" term="%22Hayashi%2C+Hirokazu%22">Hayashi, Hirokazu</searchLink><relatesTo>1,2</relatesTo> (AUTHOR)<i> hayashi.hirokazu55@jaea.go.jp</i><br /><searchLink fieldCode="AR" term="%22Minato%2C+Kazuo%22">Minato, Kazuo</searchLink><relatesTo>1,3</relatesTo> (AUTHOR)
– Name: TitleSource
  Label: Source
  Group: Src
  Data: <searchLink fieldCode="JN" term="%22Journal+of+Radioanalytical+%26+Nuclear+Chemistry%22">Journal of Radioanalytical & Nuclear Chemistry</searchLink>. Jun2026, Vol. 335 Issue 6, p4233-4240. 8p.
– Name: Subject
  Label: Subject Terms
  Group: Su
  Data: *<searchLink fieldCode="DE" term="%22Reduction+potential%22">Reduction potential</searchLink><br />*<searchLink fieldCode="DE" term="%22Chemical+synthesis%22">Chemical synthesis</searchLink><br />*<searchLink fieldCode="DE" term="%22Gibbs'+free+energy%22">Gibbs' free energy</searchLink><br />*<searchLink fieldCode="DE" term="%22Solid+state+chemistry%22">Solid state chemistry</searchLink><br />*<searchLink fieldCode="DE" term="%22Electrochemical+analysis%22">Electrochemical analysis</searchLink><br />*<searchLink fieldCode="DE" term="%22Activity+coefficients%22">Activity coefficients</searchLink><br />*<searchLink fieldCode="DE" term="%22Fused+salts%22">Fused salts</searchLink>
– Name: Abstract
  Label: Abstract
  Group: Ab
  Data: Plutonium trichloride (PuCl3) was synthesized by a solid-state reaction of plutonium nitride with cadmium chloride. Electrochemical studies of PuCl3–(NaCl–2CsCl) melt at 823–923 K revealed that Pu3+ ions are reduced to Pu metal by a single-step mechanism and that the apparent standard potentials of the Pu3+/Pu0 redox couple are given by E*(Pu3+/Pu0) = − 3.514 + 8.60 × 10−4 T vs. Cl2/Cl− (V). The activity coefficients of Pu3+ ions were determined using the previously reported Gibbs free energy of formation for PuCl3 in the supercooled liquid state. [ABSTRACT FROM AUTHOR]
PLink https://search.ebscohost.com/login.aspx?direct=true&site=eds-live&db=enr&AN=195094657
RecordInfo BibRecord:
  BibEntity:
    Identifiers:
      – Type: doi
        Value: 10.1007/s10967-026-10920-1
    Languages:
      – Code: eng
        Text: English
    PhysicalDescription:
      Pagination:
        PageCount: 8
        StartPage: 4233
    Subjects:
      – SubjectFull: Reduction potential
        Type: general
      – SubjectFull: Chemical synthesis
        Type: general
      – SubjectFull: Gibbs' free energy
        Type: general
      – SubjectFull: Solid state chemistry
        Type: general
      – SubjectFull: Electrochemical analysis
        Type: general
      – SubjectFull: Activity coefficients
        Type: general
      – SubjectFull: Fused salts
        Type: general
    Titles:
      – TitleFull: Synthesis of plutonium trichloride and measurement of redox potentials for the Pu3+/Pu0 couple in NaCl–2CsCl melt.
        Type: main
  BibRelationships:
    HasContributorRelationships:
      – PersonEntity:
          Name:
            NameFull: Hayashi, Hirokazu
      – PersonEntity:
          Name:
            NameFull: Minato, Kazuo
    IsPartOfRelationships:
      – BibEntity:
          Dates:
            – D: 01
              M: 06
              Text: Jun2026
              Type: published
              Y: 2026
          Identifiers:
            – Type: issn-print
              Value: 02365731
          Numbering:
            – Type: volume
              Value: 335
            – Type: issue
              Value: 6
          Titles:
            – TitleFull: Journal of Radioanalytical & Nuclear Chemistry
              Type: main
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