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Monitoring of the iron and oxygen impurities in liquid sodium by laser-induced breakdown spectroscopy with a gas protection component.

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Title: Monitoring of the iron and oxygen impurities in liquid sodium by laser-induced breakdown spectroscopy with a gas protection component.
Authors: Dong, Jingya1,2 (AUTHOR) dongjingya@cnncmail.cn, Feng, Ce1 (AUTHOR), Zeng, Lingwei3 (AUTHOR), Cao, Linyuan1 (AUTHOR), Wang, Rongdong1 (AUTHOR), Zhu, Qingfu1 (AUTHOR), Bo, Hanliang2 (AUTHOR) bohl@tsinghua.edu.cn
Source: JAAS (Journal of Analytical Atomic Spectrometry). Mar2026, Vol. 41 Issue 3, p1025-1031. 7p.
Subjects: Laser-induced breakdown spectroscopy, Liquid sodium, Pollutants, Nuclear reactors, Shielding gases, Sodium cooled reactors
Abstract: Sodium is a preferred coolant in Generation IV nuclear reactors due to its excellent heat transfer and nuclear properties. However, decreased cooling efficiency, material corrosion and blockages can be caused by excessive amounts of impurities in the sodium. Conventional detection methods are unable to realize rapid, in situ, sensitive and accurate online sodium impurity monitoring owing to factors such as equipment size, service life and detection time. In this study, a laser-induced breakdown spectroscopy device with a gas protection component was proposed. This design not only prevents sodium aerosols or liquid sodium splashing from contaminating the optical lens, but also enables sensitive analysis of Fe and O in sodium, with limits of detection of 0.68 µg g−1 and 0.11 µg g−1 and RSDs of 7% and 4%, respectively. The results demonstrated that this method has potential application prospects in the nuclear industry and could provide a guarantee for the safe operation of sodium-cooled fast reactors. [ABSTRACT FROM AUTHOR]
Copyright of JAAS (Journal of Analytical Atomic Spectrometry) is the property of Royal Society of Chemistry 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
Header DbId: egs
DbLabel: Engineering Source
An: 192223565
AccessLevel: 6
PubType: Academic Journal
PubTypeId: academicJournal
PreciseRelevancyScore: 0
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  Data: Monitoring of the iron and oxygen impurities in liquid sodium by laser-induced breakdown spectroscopy with a gas protection component.
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  Data: <searchLink fieldCode="AR" term="%22Dong%2C+Jingya%22">Dong, Jingya</searchLink><relatesTo>1,2</relatesTo> (AUTHOR)<i> dongjingya@cnncmail.cn</i><br /><searchLink fieldCode="AR" term="%22Feng%2C+Ce%22">Feng, Ce</searchLink><relatesTo>1</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Zeng%2C+Lingwei%22">Zeng, Lingwei</searchLink><relatesTo>3</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Cao%2C+Linyuan%22">Cao, Linyuan</searchLink><relatesTo>1</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Wang%2C+Rongdong%22">Wang, Rongdong</searchLink><relatesTo>1</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Zhu%2C+Qingfu%22">Zhu, Qingfu</searchLink><relatesTo>1</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Bo%2C+Hanliang%22">Bo, Hanliang</searchLink><relatesTo>2</relatesTo> (AUTHOR)<i> bohl@tsinghua.edu.cn</i>
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  Data: <searchLink fieldCode="JN" term="%22JAAS+%28Journal+of+Analytical+Atomic+Spectrometry%29%22">JAAS (Journal of Analytical Atomic Spectrometry)</searchLink>. Mar2026, Vol. 41 Issue 3, p1025-1031. 7p.
– Name: Subject
  Label: Subjects
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  Data: <searchLink fieldCode="DE" term="%22Laser-induced+breakdown+spectroscopy%22">Laser-induced breakdown spectroscopy</searchLink><br /><searchLink fieldCode="DE" term="%22Liquid+sodium%22">Liquid sodium</searchLink><br /><searchLink fieldCode="DE" term="%22Pollutants%22">Pollutants</searchLink><br /><searchLink fieldCode="DE" term="%22Nuclear+reactors%22">Nuclear reactors</searchLink><br /><searchLink fieldCode="DE" term="%22Shielding+gases%22">Shielding gases</searchLink><br /><searchLink fieldCode="DE" term="%22Sodium+cooled+reactors%22">Sodium cooled reactors</searchLink>
– Name: Abstract
  Label: Abstract
  Group: Ab
  Data: Sodium is a preferred coolant in Generation IV nuclear reactors due to its excellent heat transfer and nuclear properties. However, decreased cooling efficiency, material corrosion and blockages can be caused by excessive amounts of impurities in the sodium. Conventional detection methods are unable to realize rapid, in situ, sensitive and accurate online sodium impurity monitoring owing to factors such as equipment size, service life and detection time. In this study, a laser-induced breakdown spectroscopy device with a gas protection component was proposed. This design not only prevents sodium aerosols or liquid sodium splashing from contaminating the optical lens, but also enables sensitive analysis of Fe and O in sodium, with limits of detection of 0.68 µg g−1 and 0.11 µg g−1 and RSDs of 7% and 4%, respectively. The results demonstrated that this method has potential application prospects in the nuclear industry and could provide a guarantee for the safe operation of sodium-cooled fast reactors. [ABSTRACT FROM AUTHOR]
– Name: AbstractSuppliedCopyright
  Label:
  Group: Ab
  Data: <i>Copyright of JAAS (Journal of Analytical Atomic Spectrometry) is the property of Royal Society of Chemistry 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:
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      – Type: doi
        Value: 10.1039/d5ja00438a
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      – Code: eng
        Text: English
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      Pagination:
        PageCount: 7
        StartPage: 1025
    Subjects:
      – SubjectFull: Laser-induced breakdown spectroscopy
        Type: general
      – SubjectFull: Liquid sodium
        Type: general
      – SubjectFull: Pollutants
        Type: general
      – SubjectFull: Nuclear reactors
        Type: general
      – SubjectFull: Shielding gases
        Type: general
      – SubjectFull: Sodium cooled reactors
        Type: general
    Titles:
      – TitleFull: Monitoring of the iron and oxygen impurities in liquid sodium by laser-induced breakdown spectroscopy with a gas protection component.
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            NameFull: Dong, Jingya
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            NameFull: Feng, Ce
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            NameFull: Zeng, Lingwei
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            NameFull: Cao, Linyuan
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            NameFull: Wang, Rongdong
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            NameFull: Zhu, Qingfu
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            – D: 01
              M: 03
              Text: Mar2026
              Type: published
              Y: 2026
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              Value: 41
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            – TitleFull: JAAS (Journal of Analytical Atomic Spectrometry)
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