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Investigation of element content of a rich tungsten concentrate sample by the internal standard based comparator INAA.

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Title: Investigation of element content of a rich tungsten concentrate sample by the internal standard based comparator INAA.
Authors: Silachyov, I.1 (AUTHOR) silachyov@inp.kz
Source: Journal of Radioanalytical & Nuclear Chemistry. Jul2025, Vol. 334 Issue 7, p4847-4858. 12p.
Subjects: Tungsten, Nuclear activation analysis, Mineral properties, Calibration, Gamma ray spectroscopy, Minerals
Geographic Terms: Kazakhstan
Abstract: Comparator instrumental neutron activation analysis was applied to determine element content of a sample of the Kazakhstan's tungsten concentrate containing 71.6 wt% of WO3. To take account of the soft gamma-ray self-absorption by the assay, the low-energy gamma-lines of 59Fe, 182Ta, 187W, and 233Pa close to the analytical gamma-lines of the other analyzed radionuclides were used as the internal comparators with their mass fractions found by the high-energy gamma-lines. This approach made self-absorption corrections independent of the geometry, density and elemental composition of the sample and reduced them to negligible values. Enhanced contents of a range of critical mineral raw material including Sc, In and heavy lanthanides, as well as of Ag, Au and some other elements, were found in the tungsten concentrate advantaging their industrial production as by-products. [ABSTRACT FROM AUTHOR]
Copyright of Journal of Radioanalytical & Nuclear Chemistry 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.)
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  Data: Investigation of element content of a rich tungsten concentrate sample by the internal standard based comparator INAA.
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  Data: <searchLink fieldCode="AR" term="%22Silachyov%2C+I%2E%22">Silachyov, I.</searchLink><relatesTo>1</relatesTo> (AUTHOR)<i> silachyov@inp.kz</i>
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  Data: <searchLink fieldCode="JN" term="%22Journal+of+Radioanalytical+%26+Nuclear+Chemistry%22">Journal of Radioanalytical & Nuclear Chemistry</searchLink>. Jul2025, Vol. 334 Issue 7, p4847-4858. 12p.
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  Data: <searchLink fieldCode="DE" term="%22Tungsten%22">Tungsten</searchLink><br /><searchLink fieldCode="DE" term="%22Nuclear+activation+analysis%22">Nuclear activation analysis</searchLink><br /><searchLink fieldCode="DE" term="%22Mineral+properties%22">Mineral properties</searchLink><br /><searchLink fieldCode="DE" term="%22Calibration%22">Calibration</searchLink><br /><searchLink fieldCode="DE" term="%22Gamma+ray+spectroscopy%22">Gamma ray spectroscopy</searchLink><br /><searchLink fieldCode="DE" term="%22Minerals%22">Minerals</searchLink>
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  Data: <searchLink fieldCode="DE" term="%22Kazakhstan%22">Kazakhstan</searchLink>
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  Data: Comparator instrumental neutron activation analysis was applied to determine element content of a sample of the Kazakhstan's tungsten concentrate containing 71.6 wt% of WO3. To take account of the soft gamma-ray self-absorption by the assay, the low-energy gamma-lines of 59Fe, 182Ta, 187W, and 233Pa close to the analytical gamma-lines of the other analyzed radionuclides were used as the internal comparators with their mass fractions found by the high-energy gamma-lines. This approach made self-absorption corrections independent of the geometry, density and elemental composition of the sample and reduced them to negligible values. Enhanced contents of a range of critical mineral raw material including Sc, In and heavy lanthanides, as well as of Ag, Au and some other elements, were found in the tungsten concentrate advantaging their industrial production as by-products. [ABSTRACT FROM AUTHOR]
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  Data: <i>Copyright of Journal of Radioanalytical & Nuclear Chemistry 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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      – Type: doi
        Value: 10.1007/s10967-025-10171-6
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      – Code: eng
        Text: English
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        PageCount: 12
        StartPage: 4847
    Subjects:
      – SubjectFull: Tungsten
        Type: general
      – SubjectFull: Nuclear activation analysis
        Type: general
      – SubjectFull: Mineral properties
        Type: general
      – SubjectFull: Calibration
        Type: general
      – SubjectFull: Gamma ray spectroscopy
        Type: general
      – SubjectFull: Minerals
        Type: general
      – SubjectFull: Kazakhstan
        Type: general
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      – TitleFull: Investigation of element content of a rich tungsten concentrate sample by the internal standard based comparator INAA.
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              M: 07
              Text: Jul2025
              Type: published
              Y: 2025
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