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Photo- and digital-detectors for quantitative digital densitometry for distribution analysis of ores by means of gamma-activation

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Abstract

A method for photo processing of nuclear film detectors, which ensures higher reproducibility (about 2 %) of densitometry has been suggested. Application of the method allows for recovering fine mineralogical texture of a complex polymetallic ore of the Norilsk deposit with time series autoradiograms after computer processing. Some problems concerning interpretation of the results are discussed. It has been shown that application of digital imaging plates as a detector demonstrates high reproducibility suitable for precise quantitative autoradiography. The developed method of digital gamma-activation autoradiography via short-lived radionuclides may be successfully used for screening analysis of large area ore’s thin sections.

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References

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Acknowledgments

The work is supporting by the Russian Fund for Basic Research, Grant N13-03-01016a.

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Authors and Affiliations

  1. Vernadsky Institute of Geochemistry and Analytical Chemistry, Russian Academy of Sciences, Kosygin Str. 19, Moscow, B-334, 119991, Russia

    V. P. Kolotov, D. S. Grozdov & N. N. Dogadkin

  2. Institute of Physical Chemistry, Russian Academy of Sciences, Leninsky prosp. 31 b.4, Moscow, 119071, Russia

    A. A. Shiryaev

Authors
  1. V. P. Kolotov
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  2. D. S. Grozdov
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  3. N. N. Dogadkin
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  4. A. A. Shiryaev
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Correspondence to V. P. Kolotov.

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Kolotov, V.P., Grozdov, D.S., Dogadkin, N.N. et al. Photo- and digital-detectors for quantitative digital densitometry for distribution analysis of ores by means of gamma-activation. J Radioanal Nucl Chem 304, 171–175 (2015). https://doi.org/10.1007/s10967-014-3738-1

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  • DOI: https://doi.org/10.1007/s10967-014-3738-1

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