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A new method for the analysis of titanium, barium, and arsenic in obsidian via epithermal neutron activation analysis

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Abstract

A new instrumental epithermal neutron activation analysis procedure to quantitatively determine titanium, barium, and bromine in obsidian with improved sensitivity has been developed. The advantage of epithermal activation for Ti, Ba, and Br is demonstrated with multiple geological standards and the ability to determine arsenic in obsidian is demonstrated. The results for titanium are compared to previous electron-microprobe results for Kenyan obsidian.

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Acknowledgments

The authors are grateful for the African obsidian samples provided by Dr. Stan Ambrose and Dr. Jeff Ferguson. This work was supported in part by financial assistance from U.S. National Science Foundation grant 0814304.

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Authors and Affiliations

  1. University of Missouri Research Reactor, 1513 Research Park Drive, Columbia, MO, 65211, USA

    M. E. Coleman, M. D. Glascock & J. D. Robertson

  2. Department of Chemistry, University of Missouri, 601 S. College Avenue, Columbia, MO, 65211, USA

    M. E. Coleman & J. D. Robertson

Authors
  1. M. E. Coleman
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  2. M. D. Glascock
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  3. J. D. Robertson
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Correspondence to J. D. Robertson.

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Coleman, M.E., Glascock, M.D. & Robertson, J.D. A new method for the analysis of titanium, barium, and arsenic in obsidian via epithermal neutron activation analysis. J Radioanal Nucl Chem 287, 935–941 (2011). https://doi.org/10.1007/s10967-010-0853-5

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  • DOI: https://doi.org/10.1007/s10967-010-0853-5

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