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Determination of Ultratrace Levels of Mercury in Three SRMs by Combustion RNAA

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Abstract

A radiochemical neutron activation analysis (RNAA) combustion method coupled with a neutron exposure normalization technique was used to determine low μg/kg mercury levels in three National Institute of Standards and Technology (NIST) Standard Reference Materials (SRMs). Two coals (sub-bituminous and bituminous) and a diet material were analyzed. The results obtained provided recommended values of approximately 5 μg/kg for SRM 1548a Typical Diet, 24 μg/kg for SRM 1635 Trace Elements in Coal (sub-bituminous), and 100 μg/kg for SRM 1632b Trace Elements in Coal (bituminous).

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Authors and Affiliations

  1. Spectrochemical Methods Group, Analytical Chemistry Division, National Institute of Standards and Technology, Gaithersburg, MD, 20899, USA

    B. R. Norman

  2. Nuclear Methods Group, Analytical Chemistry Division, National Institute of Standards and Technology, Gaithersburg, MD, 20899, USA

    D. A. Becker

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  1. B. R. Norman
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  2. D. A. Becker
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Norman, B.R., Becker, D.A. Determination of Ultratrace Levels of Mercury in Three SRMs by Combustion RNAA. Journal of Radioanalytical and Nuclear Chemistry 245, 91–95 (2000). https://doi.org/10.1023/A:1006775702465

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  • DOI: https://doi.org/10.1023/A:1006775702465

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