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Britholite-Based Matrix for Actinides Isolation.

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Title: Britholite-Based Matrix for Actinides Isolation.
Authors: Melnikova, I. M.1 (AUTHOR), Yudintsev, S. V.1 (AUTHOR) yudintsevsv@gmail.com
Source: Doklady Earth Sciences. Aug2025, Vol. 523 Issue 2, p1-8. 8p.
Subjects: Matrix isolation, Nuclear fuels, Spent reactor fuels, Actinide elements, Aqueous solutions
Abstract: Britholite, a Ca-REE silicate sample with an apatite structure, a potential matrix for isolation of the REE-actinide fraction of wastes from spent nuclear fuel processing, is produced by cold crucible induction melting. Britholite has a simple composition, high capacity for actinides, and is stable in heated aqueous solutions. For the first time, the leaching rates of Nd in water and brine at 200–250°C are determined to be 10–3–10–5 g/(m2 day). [ABSTRACT FROM AUTHOR]
Copyright of Doklady Earth Sciences is the property of Springer Nature and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)
Database: Engineering Source
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Header DbId: egs
DbLabel: Engineering Source
An: 186464126
AccessLevel: 6
PubType: Academic Journal
PubTypeId: academicJournal
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  Data: Britholite-Based Matrix for Actinides Isolation.
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  Data: <searchLink fieldCode="AR" term="%22Melnikova%2C+I%2E+M%2E%22">Melnikova, I. M.</searchLink><relatesTo>1</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Yudintsev%2C+S%2E+V%2E%22">Yudintsev, S. V.</searchLink><relatesTo>1</relatesTo> (AUTHOR)<i> yudintsevsv@gmail.com</i>
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  Data: <searchLink fieldCode="DE" term="%22Matrix+isolation%22">Matrix isolation</searchLink><br /><searchLink fieldCode="DE" term="%22Nuclear+fuels%22">Nuclear fuels</searchLink><br /><searchLink fieldCode="DE" term="%22Spent+reactor+fuels%22">Spent reactor fuels</searchLink><br /><searchLink fieldCode="DE" term="%22Actinide+elements%22">Actinide elements</searchLink><br /><searchLink fieldCode="DE" term="%22Aqueous+solutions%22">Aqueous solutions</searchLink>
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  Data: Britholite, a Ca-REE silicate sample with an apatite structure, a potential matrix for isolation of the REE-actinide fraction of wastes from spent nuclear fuel processing, is produced by cold crucible induction melting. Britholite has a simple composition, high capacity for actinides, and is stable in heated aqueous solutions. For the first time, the leaching rates of Nd in water and brine at 200–250°C are determined to be 10–3–10–5 g/(m2 day). [ABSTRACT FROM AUTHOR]
– Name: AbstractSuppliedCopyright
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  Data: <i>Copyright of Doklady Earth Sciences is the property of Springer Nature and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract.</i> (Copyright applies to all Abstracts.)
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        Value: 10.1134/S1028334X25607400
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      – Code: eng
        Text: English
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      – SubjectFull: Matrix isolation
        Type: general
      – SubjectFull: Nuclear fuels
        Type: general
      – SubjectFull: Spent reactor fuels
        Type: general
      – SubjectFull: Actinide elements
        Type: general
      – SubjectFull: Aqueous solutions
        Type: general
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      – TitleFull: Britholite-Based Matrix for Actinides Isolation.
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              Text: Aug2025
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