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Large volume gas irradiation procedure developed at The University of Texas at Austin

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Abstract

A large volume, in-core gas irradiation technique was developed at The University of Texas at Austin MARK II TRIGA reactor to produce a sample of 42Ar with an activity above 1 mBq. The method requires a large volume, 1.4 L, of natural Ar gas (99.6003 % 40Ar) at about 1 atm and three 12 h irradiation periods. The production of 42Ar requires a double capture to be produced from the stable 40Ar isotope. This method produced 940 kBq of 39Ar, 3.08 MBq 37Ar, 114 GBq 41Ar, and 0.311 Bq 42Ar at the end of the final irradiation period.

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Acknowledgments

This research was performed under appointment to the U.S. Department of Energy Nuclear Nonproliferation International Safeguards Graduate Fellowship Program sponsored by the National Nuclear Security Administration’s Office of Nonproliferation and International Security.

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Authors and Affiliations

  1. Nuclear Engineering Teaching Laboratory, The University of Texas at Austin, 10100 Burnet Rd., Bldg. 159, Austin, TX, 78758, USA

    C. M. Egnatuk & S. R. Biegalski

Authors
  1. C. M. Egnatuk
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  2. S. R. Biegalski
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Correspondence to C. M. Egnatuk.

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Egnatuk, C.M., Biegalski, S.R. Large volume gas irradiation procedure developed at The University of Texas at Austin. J Radioanal Nucl Chem 296, 223–226 (2013). https://doi.org/10.1007/s10967-012-1981-x

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  • DOI: https://doi.org/10.1007/s10967-012-1981-x

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