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Estimation of 14C in irradiated graphite using CO2 gasification method

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Abstract

Present paper reports development of a simple procedure for estimation of 14C in irradiated graphite samples. The process utilizes decomposition of the graphite samples by heating followed by absorption of the generated carbon dioxide in ethanolamine and analysis using liquid scintillation analyzer. The interference due to tritium was removed by acid scrubbing. The optimized method has successfully been used for analysis of a large number of actual graphite samples irradiated in research reactor. The method can specifically be used for estimation of low active specimen and even in presence of fission products and activation products.

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Acknowledgements

The authors are thankful to Dr. K. S. Pradeepkumar, AD, HS & EG for his encouragement and guidance during the work. We are also thankful to Dr. C. P. Kaushik CS, WMD for his support during the study and Dr. S. Anilkumar for supporting us in the gamma spectrometric analysis of the samples.

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Authors and Affiliations

  1. Radiation Safety Systems Division, Bhabha Atomic Research Centre, Trombay, Mumbai, 400085, India

    Susheela Sivakumar, Sanjay Singh, K. S. Babu & R. K. Gopalakrishnan

  2. Process Development Division, Bhabha Atomic Research Centre, Trombay, Mumbai, 400085, India

    D. Banerjee

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  1. Susheela Sivakumar
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  2. Sanjay Singh
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  3. K. S. Babu
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  4. D. Banerjee
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  5. R. K. Gopalakrishnan
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Correspondence to Susheela Sivakumar.

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Sivakumar, S., Singh, S., Babu, K.S. et al. Estimation of 14C in irradiated graphite using CO2 gasification method. J Radioanal Nucl Chem 322, 115–119 (2019). https://doi.org/10.1007/s10967-019-06633-3

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  • DOI: https://doi.org/10.1007/s10967-019-06633-3

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