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Matrix effect investigation and accurate microanalysis of Sn isotopes in cassiterite and bronze by fsLA-MC-ICP-MS.

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Title: Matrix effect investigation and accurate microanalysis of Sn isotopes in cassiterite and bronze by fsLA-MC-ICP-MS.
Authors: Peng, Deyi1 (AUTHOR) geobza@126.com, Bao, Zhian1 (AUTHOR), Liu, Peng1 (AUTHOR), Yang, Wenqiang1 (AUTHOR), Chen, Kaiyun1 (AUTHOR), Yuan, Honglin1 (AUTHOR)
Source: JAAS (Journal of Analytical Atomic Spectrometry). May2026, Vol. 41 Issue 5, p1917-1927. 11p.
Subjects: Matrix effect, Tin isotopes, Cassiterite, Laser ablation inductively coupled plasma mass spectrometry, Isotopic fractionation, Calibration, Bronze, In situ microanalysis
Abstract: This study investigated matrix effects during in situ Sn isotope analysis using a femtosecond (fs) laser ablation system coupled to a multi-collector ICP-MS. Contrary to the common perception of "matrix-free" analysis, matrix effects are evident during in situ analysis. The measured δ124Sn/120Sn ratios of cassiterite and bronze deviated from the true values by up to 0.7‰ and 0.5‰, respectively, when using a pure tin metal as the bracketing standard. Introducing water vapour into the carrier gas substantially reduced these matrix effects, though minor deviations, from −0.24‰ to −0.33‰, persisted for cassiterite and bronze when tin metal was used as a non-matrix-matched calibration under wet plasma conditions, indicating that ablation-related processes also contribute to matrix effects. Therefore, matrix-matched reference materials are required for high-precision and accurate Sn isotope analyses of cassiterite and bronze samples. We evaluated four candidate samples, NWU-CAS (a natural cassiterite), NWU-Sn (tin metal plate), GBW02140 and GBW02137 (two certified bronze reference materials from the National Research Center for Certified Reference Material of China). Repeated analyses of the two candidates by fsLA-MC-ICP-MS yielded a good external reproducibility of <0.10% (2SD) for δ124Sn/120Sn, validating their suitability as matrix-matched reference materials for in situ Sn isotope analysis of cassiterite and bronze. [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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DbLabel: Engineering Source
An: 193714418
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  Data: Matrix effect investigation and accurate microanalysis of Sn isotopes in cassiterite and bronze by fsLA-MC-ICP-MS.
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  Data: &lt;searchLink fieldCode=&quot;AR&quot; term=&quot;%22Peng%2C+Deyi%22&quot;&gt;Peng, Deyi&lt;/searchLink&gt;&lt;relatesTo&gt;1&lt;/relatesTo&gt; (AUTHOR)&lt;i&gt; geobza@126.com&lt;/i&gt;&lt;br /&gt;&lt;searchLink fieldCode=&quot;AR&quot; term=&quot;%22Bao%2C+Zhian%22&quot;&gt;Bao, Zhian&lt;/searchLink&gt;&lt;relatesTo&gt;1&lt;/relatesTo&gt; (AUTHOR)&lt;br /&gt;&lt;searchLink fieldCode=&quot;AR&quot; term=&quot;%22Liu%2C+Peng%22&quot;&gt;Liu, Peng&lt;/searchLink&gt;&lt;relatesTo&gt;1&lt;/relatesTo&gt; (AUTHOR)&lt;br /&gt;&lt;searchLink fieldCode=&quot;AR&quot; term=&quot;%22Yang%2C+Wenqiang%22&quot;&gt;Yang, Wenqiang&lt;/searchLink&gt;&lt;relatesTo&gt;1&lt;/relatesTo&gt; (AUTHOR)&lt;br /&gt;&lt;searchLink fieldCode=&quot;AR&quot; term=&quot;%22Chen%2C+Kaiyun%22&quot;&gt;Chen, Kaiyun&lt;/searchLink&gt;&lt;relatesTo&gt;1&lt;/relatesTo&gt; (AUTHOR)&lt;br /&gt;&lt;searchLink fieldCode=&quot;AR&quot; term=&quot;%22Yuan%2C+Honglin%22&quot;&gt;Yuan, Honglin&lt;/searchLink&gt;&lt;relatesTo&gt;1&lt;/relatesTo&gt; (AUTHOR)
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– Name: Abstract
  Label: Abstract
  Group: Ab
  Data: This study investigated matrix effects during in situ Sn isotope analysis using a femtosecond (fs) laser ablation system coupled to a multi-collector ICP-MS. Contrary to the common perception of &quot;matrix-free&quot; analysis, matrix effects are evident during in situ analysis. The measured δ124Sn/120Sn ratios of cassiterite and bronze deviated from the true values by up to 0.7‰ and 0.5‰, respectively, when using a pure tin metal as the bracketing standard. Introducing water vapour into the carrier gas substantially reduced these matrix effects, though minor deviations, from −0.24‰ to −0.33‰, persisted for cassiterite and bronze when tin metal was used as a non-matrix-matched calibration under wet plasma conditions, indicating that ablation-related processes also contribute to matrix effects. Therefore, matrix-matched reference materials are required for high-precision and accurate Sn isotope analyses of cassiterite and bronze samples. We evaluated four candidate samples, NWU-CAS (a natural cassiterite), NWU-Sn (tin metal plate), GBW02140 and GBW02137 (two certified bronze reference materials from the National Research Center for Certified Reference Material of China). Repeated analyses of the two candidates by fsLA-MC-ICP-MS yielded a good external reproducibility of &lt;0.10% (2SD) for δ124Sn/120Sn, validating their suitability as matrix-matched reference materials for in situ Sn isotope analysis of cassiterite and bronze. [ABSTRACT FROM AUTHOR]
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  Data: &lt;i&gt;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&#39;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.&lt;/i&gt; (Copyright applies to all Abstracts.)
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RecordInfo BibRecord:
  BibEntity:
    Identifiers:
      – Type: doi
        Value: 10.1039/d6ja00080k
    Languages:
      – Code: eng
        Text: English
    PhysicalDescription:
      Pagination:
        PageCount: 11
        StartPage: 1917
    Subjects:
      – SubjectFull: Matrix effect
        Type: general
      – SubjectFull: Tin isotopes
        Type: general
      – SubjectFull: Cassiterite
        Type: general
      – SubjectFull: Laser ablation inductively coupled plasma mass spectrometry
        Type: general
      – SubjectFull: Isotopic fractionation
        Type: general
      – SubjectFull: Calibration
        Type: general
      – SubjectFull: Bronze
        Type: general
      – SubjectFull: In situ microanalysis
        Type: general
    Titles:
      – TitleFull: Matrix effect investigation and accurate microanalysis of Sn isotopes in cassiterite and bronze by fsLA-MC-ICP-MS.
        Type: main
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          Name:
            NameFull: Peng, Deyi
      – PersonEntity:
          Name:
            NameFull: Bao, Zhian
      – PersonEntity:
          Name:
            NameFull: Liu, Peng
      – PersonEntity:
          Name:
            NameFull: Yang, Wenqiang
      – PersonEntity:
          Name:
            NameFull: Chen, Kaiyun
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            NameFull: Yuan, Honglin
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          Dates:
            – D: 01
              M: 05
              Text: May2026
              Type: published
              Y: 2026
          Identifiers:
            – Type: issn-print
              Value: 02679477
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              Value: 41
            – Type: issue
              Value: 5
          Titles:
            – TitleFull: JAAS (Journal of Analytical Atomic Spectrometry)
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