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High intermediate precision Sm isotope measurements in geological samples by MC-ICP-MS.

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Title: High intermediate precision Sm isotope measurements in geological samples by MC-ICP-MS.
Authors: Bai, Jiang-Hao1,2,3 (AUTHOR), Lin, Mang1 (AUTHOR), Zhong, Song-Xiong4 (AUTHOR), Deng, Yi-Nan2 (AUTHOR), Zhang, Le1 (AUTHOR), Luo, Kai1,3 (AUTHOR), Wu, Hao1,3 (AUTHOR), Ma, Jin-Long1 (AUTHOR) jlma@gig.ac.cn, Wei, Gang-Jian1 (AUTHOR) gjwei@gig.ac.cn
Source: JAAS (Journal of Analytical Atomic Spectrometry). Mar2023, Vol. 38 Issue 3, p629-637. 9p.
Subjects: Inductively coupled plasma mass spectrometry, Environmental sciences, Ocean circulation, Isotopes, Origin of planets, Marine sediments, Chemical weathering
Abstract: The measurement of Sm isotopes in geological materials is challenging, thus limiting their extensive applications in geoscience and environmental science. Herein, we developed a technique for the high intermediate precision analysis of Sm isotopes via multi-collector-inductively coupled plasma-mass spectrometry (MC-ICP-MS). Interference impurities, particularly Nd, Eu, and Gd, were completely removed from Sm using a new two-column [AG50W-X12 (200–400 mesh) and TODGA (50–100 μm)] procedure, which quantitatively (99.4 ± 0.3%) extracted Sm. The complete purification of Sm allowed the development of a high intermediate precision calibration method combined with standard-sample bracketing and Eu internal normalization to correct the instrumental mass bias. A long-term intermediate precision better than 0.04‰ (2SD) for δ152/149Sm was obtained. This intermediate precision is significantly better than those of the existing MC-ICP-MS methods (0.15‰–0.30‰) and double spike-thermal ionization mass spectrometry methods (0.15‰–0.20‰), as confirmed by multiple purifications and measurements of 11 geological reference materials (GRMs) with different rock types (e.g., basalt, andesite, granodiorite, granite, nepheline, syenite, manganese nodule, and marine sediment). In addition, we observed a detectable variation in δ152/149Sm (0.22‰) among these 11 GRMs, which could not be identified at the previous intermediate precision. This finding highlights that the high intermediate precision δ152/149Sm measurements in natural samples established herein have the potential to provide new constraints on diverse natural processes, ranging from planetary formation to chemical weathering and ocean circulation and create new opportunities for stable Sm isotope studies. [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.)
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  Data: High intermediate precision Sm isotope measurements in geological samples by MC-ICP-MS.
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  Data: <searchLink fieldCode="AR" term="%22Bai%2C+Jiang-Hao%22">Bai, Jiang-Hao</searchLink><relatesTo>1,2,3</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Lin%2C+Mang%22">Lin, Mang</searchLink><relatesTo>1</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Zhong%2C+Song-Xiong%22">Zhong, Song-Xiong</searchLink><relatesTo>4</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Deng%2C+Yi-Nan%22">Deng, Yi-Nan</searchLink><relatesTo>2</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Zhang%2C+Le%22">Zhang, Le</searchLink><relatesTo>1</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Luo%2C+Kai%22">Luo, Kai</searchLink><relatesTo>1,3</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Wu%2C+Hao%22">Wu, Hao</searchLink><relatesTo>1,3</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Ma%2C+Jin-Long%22">Ma, Jin-Long</searchLink><relatesTo>1</relatesTo> (AUTHOR)<i> jlma@gig.ac.cn</i><br /><searchLink fieldCode="AR" term="%22Wei%2C+Gang-Jian%22">Wei, Gang-Jian</searchLink><relatesTo>1</relatesTo> (AUTHOR)<i> gjwei@gig.ac.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>. Mar2023, Vol. 38 Issue 3, p629-637. 9p.
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  Data: <searchLink fieldCode="DE" term="%22Inductively+coupled+plasma+mass+spectrometry%22">Inductively coupled plasma mass spectrometry</searchLink><br /><searchLink fieldCode="DE" term="%22Environmental+sciences%22">Environmental sciences</searchLink><br /><searchLink fieldCode="DE" term="%22Ocean+circulation%22">Ocean circulation</searchLink><br /><searchLink fieldCode="DE" term="%22Isotopes%22">Isotopes</searchLink><br /><searchLink fieldCode="DE" term="%22Origin+of+planets%22">Origin of planets</searchLink><br /><searchLink fieldCode="DE" term="%22Marine+sediments%22">Marine sediments</searchLink><br /><searchLink fieldCode="DE" term="%22Chemical+weathering%22">Chemical weathering</searchLink>
– Name: Abstract
  Label: Abstract
  Group: Ab
  Data: The measurement of Sm isotopes in geological materials is challenging, thus limiting their extensive applications in geoscience and environmental science. Herein, we developed a technique for the high intermediate precision analysis of Sm isotopes via multi-collector-inductively coupled plasma-mass spectrometry (MC-ICP-MS). Interference impurities, particularly Nd, Eu, and Gd, were completely removed from Sm using a new two-column [AG50W-X12 (200–400 mesh) and TODGA (50–100 μm)] procedure, which quantitatively (99.4 ± 0.3%) extracted Sm. The complete purification of Sm allowed the development of a high intermediate precision calibration method combined with standard-sample bracketing and Eu internal normalization to correct the instrumental mass bias. A long-term intermediate precision better than 0.04‰ (2SD) for δ152/149Sm was obtained. This intermediate precision is significantly better than those of the existing MC-ICP-MS methods (0.15‰–0.30‰) and double spike-thermal ionization mass spectrometry methods (0.15‰–0.20‰), as confirmed by multiple purifications and measurements of 11 geological reference materials (GRMs) with different rock types (e.g., basalt, andesite, granodiorite, granite, nepheline, syenite, manganese nodule, and marine sediment). In addition, we observed a detectable variation in δ152/149Sm (0.22‰) among these 11 GRMs, which could not be identified at the previous intermediate precision. This finding highlights that the high intermediate precision δ152/149Sm measurements in natural samples established herein have the potential to provide new constraints on diverse natural processes, ranging from planetary formation to chemical weathering and ocean circulation and create new opportunities for stable Sm isotope studies. [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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    Identifiers:
      – Type: doi
        Value: 10.1039/d2ja00412g
    Languages:
      – Code: eng
        Text: English
    PhysicalDescription:
      Pagination:
        PageCount: 9
        StartPage: 629
    Subjects:
      – SubjectFull: Inductively coupled plasma mass spectrometry
        Type: general
      – SubjectFull: Environmental sciences
        Type: general
      – SubjectFull: Ocean circulation
        Type: general
      – SubjectFull: Isotopes
        Type: general
      – SubjectFull: Origin of planets
        Type: general
      – SubjectFull: Marine sediments
        Type: general
      – SubjectFull: Chemical weathering
        Type: general
    Titles:
      – TitleFull: High intermediate precision Sm isotope measurements in geological samples by MC-ICP-MS.
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            NameFull: Bai, Jiang-Hao
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            NameFull: Lin, Mang
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            NameFull: Zhang, Le
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            NameFull: Wu, Hao
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            – D: 01
              M: 03
              Text: Mar2023
              Type: published
              Y: 2023
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              Value: 38
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