First study of highly radioactive lava-like sample from sub-reactor premise #305/2 inside Chernobyl "Shelter".
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| Title: | First study of highly radioactive lava-like sample from sub-reactor premise #305/2 inside Chernobyl "Shelter". |
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| Authors: | Gurzhiy, Vladislav V.1 (AUTHOR) vladislav.gurzhiy@spbu.ru, Burakov, Boris E.1,2 (AUTHOR), Kasatkin, Anatoly V.3 (AUTHOR), Petrov, Yuri Yu.4 (AUTHOR), Orlova, Vera A.4 (AUTHOR), Agakhanov, Atali A.3 (AUTHOR) |
| Source: | Journal of Nuclear Materials. Jan2026, Vol. 618, pN.PAG-N.PAG. 1p. |
| Subjects: | Chernobyl Nuclear Accident, Chornobyl, Ukraine, 1986, Fukushima Nuclear Accident, Fukushima, Japan, 2011, Uranium compounds, Analytical chemistry, Lava |
| Geographic Terms: | Chornobyl (Ukraine) |
| Abstract: | • Phase and chemical composition of Chernobyl "lava" from premise #305/2 was analyzed for the first time. • Formation of secondary U-bearing phase on the "lava" surface was detected. • Low chemical resistance of Chernobyl "lava" to environmental impact was shown. The basic phase and chemical composition of Chernobyl "lava" sample from the sub-reactor premise #305/2 that is located right below reactor base plate, and which is regarded as the primary melt source, are reported for the first time. The main substance of the "lava" is the X-ray amorphous glass-like material (in wt.%): Na 2 O 1.99, K 2 O 3.81, MgO 2.97, CaO 7.51, MnO 0.29, FeO 0.14, Al 2 O 3 8.96, SiO 2 64.15, TiO 2 0.29, ZrO 2 5.13, UO 2 4.57, total 99.81). It contains small (5 to 30 μm) inclusions of technogenic analogues of natural minerals: high-uranium zircon, (Zr 0.90 U 0.09 Si 1.01 O 4), U-bearing baddeleyite (Zr 0.90 U 0.10 O 2) and Zr-bearing uraninite (U 0.83 Zr 0.17 O 2). A technogenic analogue of vorlanite, (CaU6+O 4), was found to be formed on the "lava" surface during storage at Khlopin Radium Institute under laboratory conditions, which shows the low chemical resistance of "lava" to environmental impact. The obtained results are highly important for assessing the consequences of the accident at the Fukushima Daiichi Nuclear Power Plant and modeling of the long-term environmental impact to the highly radioactive materials. [ABSTRACT FROM AUTHOR] |
| Copyright of Journal of Nuclear Materials is the property of Elsevier B.V. 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 |
| FullText | Text: Availability: 0 |
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| Header | DbId: egs DbLabel: Engineering Source An: 189032176 AccessLevel: 6 PubType: Academic Journal PubTypeId: academicJournal PreciseRelevancyScore: 0 |
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| Items | – Name: Title Label: Title Group: Ti Data: First study of highly radioactive lava-like sample from sub-reactor premise #305/2 inside Chernobyl "Shelter". – Name: Author Label: Authors Group: Au Data: <searchLink fieldCode="AR" term="%22Gurzhiy%2C+Vladislav+V%2E%22">Gurzhiy, Vladislav V.</searchLink><relatesTo>1</relatesTo> (AUTHOR)<i> vladislav.gurzhiy@spbu.ru</i><br /><searchLink fieldCode="AR" term="%22Burakov%2C+Boris+E%2E%22">Burakov, Boris E.</searchLink><relatesTo>1,2</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Kasatkin%2C+Anatoly+V%2E%22">Kasatkin, Anatoly V.</searchLink><relatesTo>3</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Petrov%2C+Yuri+Yu%2E%22">Petrov, Yuri Yu.</searchLink><relatesTo>4</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Orlova%2C+Vera+A%2E%22">Orlova, Vera A.</searchLink><relatesTo>4</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Agakhanov%2C+Atali+A%2E%22">Agakhanov, Atali A.</searchLink><relatesTo>3</relatesTo> (AUTHOR) – Name: TitleSource Label: Source Group: Src Data: <searchLink fieldCode="JN" term="%22Journal+of+Nuclear+Materials%22">Journal of Nuclear Materials</searchLink>. Jan2026, Vol. 618, pN.PAG-N.PAG. 1p. – Name: Subject Label: Subjects Group: Su Data: <searchLink fieldCode="DE" term="%22Chernobyl+Nuclear+Accident%2C+Chornobyl%2C+Ukraine%2C+1986%22">Chernobyl Nuclear Accident, Chornobyl, Ukraine, 1986</searchLink><br /><searchLink fieldCode="DE" term="%22Fukushima+Nuclear+Accident%2C+Fukushima%2C+Japan%2C+2011%22">Fukushima Nuclear Accident, Fukushima, Japan, 2011</searchLink><br /><searchLink fieldCode="DE" term="%22Uranium+compounds%22">Uranium compounds</searchLink><br /><searchLink fieldCode="DE" term="%22Analytical+chemistry%22">Analytical chemistry</searchLink><br /><searchLink fieldCode="DE" term="%22Lava%22">Lava</searchLink> – Name: SubjectGeographic Label: Geographic Terms Group: Su Data: <searchLink fieldCode="DE" term="%22Chornobyl+%28Ukraine%29%22">Chornobyl (Ukraine)</searchLink> – Name: Abstract Label: Abstract Group: Ab Data: • Phase and chemical composition of Chernobyl "lava" from premise #305/2 was analyzed for the first time. • Formation of secondary U-bearing phase on the "lava" surface was detected. • Low chemical resistance of Chernobyl "lava" to environmental impact was shown. The basic phase and chemical composition of Chernobyl "lava" sample from the sub-reactor premise #305/2 that is located right below reactor base plate, and which is regarded as the primary melt source, are reported for the first time. The main substance of the "lava" is the X-ray amorphous glass-like material (in wt.%): Na 2 O 1.99, K 2 O 3.81, MgO 2.97, CaO 7.51, MnO 0.29, FeO 0.14, Al 2 O 3 8.96, SiO 2 64.15, TiO 2 0.29, ZrO 2 5.13, UO 2 4.57, total 99.81). It contains small (5 to 30 μm) inclusions of technogenic analogues of natural minerals: high-uranium zircon, (Zr 0.90 U 0.09 Si 1.01 O 4), U-bearing baddeleyite (Zr 0.90 U 0.10 O 2) and Zr-bearing uraninite (U 0.83 Zr 0.17 O 2). A technogenic analogue of vorlanite, (CaU6+O 4), was found to be formed on the "lava" surface during storage at Khlopin Radium Institute under laboratory conditions, which shows the low chemical resistance of "lava" to environmental impact. The obtained results are highly important for assessing the consequences of the accident at the Fukushima Daiichi Nuclear Power Plant and modeling of the long-term environmental impact to the highly radioactive materials. [ABSTRACT FROM AUTHOR] – Name: AbstractSuppliedCopyright Label: Group: Ab Data: <i>Copyright of Journal of Nuclear Materials is the property of Elsevier B.V. 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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| RecordInfo | BibRecord: BibEntity: Identifiers: – Type: doi Value: 10.1016/j.jnucmat.2025.156195 Languages: – Code: eng Text: English PhysicalDescription: Pagination: PageCount: 1 StartPage: N.PAG Subjects: – SubjectFull: Chernobyl Nuclear Accident, Chornobyl, Ukraine, 1986 Type: general – SubjectFull: Fukushima Nuclear Accident, Fukushima, Japan, 2011 Type: general – SubjectFull: Uranium compounds Type: general – SubjectFull: Analytical chemistry Type: general – SubjectFull: Lava Type: general – SubjectFull: Chornobyl (Ukraine) Type: general Titles: – TitleFull: First study of highly radioactive lava-like sample from sub-reactor premise #305/2 inside Chernobyl "Shelter". Type: main BibRelationships: HasContributorRelationships: – PersonEntity: Name: NameFull: Gurzhiy, Vladislav V. – PersonEntity: Name: NameFull: Burakov, Boris E. – PersonEntity: Name: NameFull: Kasatkin, Anatoly V. – PersonEntity: Name: NameFull: Petrov, Yuri Yu. – PersonEntity: Name: NameFull: Orlova, Vera A. – PersonEntity: Name: NameFull: Agakhanov, Atali A. IsPartOfRelationships: – BibEntity: Dates: – D: 01 M: 01 Text: Jan2026 Type: published Y: 2026 Identifiers: – Type: issn-print Value: 00223115 Numbering: – Type: volume Value: 618 Titles: – TitleFull: Journal of Nuclear Materials Type: main |
| ResultId | 1 |
