DOE OSTI · 3395396
ORNL Report of Analysis for the Verification of NRMP CRM U030A
Abstract
In support of the Certified Reference Material (CRM) program managed by the Nuclear Reference Material Program (NRMP), the Material Signatures and Isotopic Standards (MSIS) group of Oak Ridge National Laboratory (ORNL) was asked to prepare a set of CRM U030A units for use as standards for isotopic analysis using multicollector thermal ionization mass spectrometry (TIMS) and inductively coupled plasma mass spectrometry (ICP-MS) instruments. This report documents the results of the verification measurements performed on three randomly selected units by the MSIS group’s ISO/IEC 17025:2017 accredited operating procedure CSD-AM-CIMS-IN20, Determination of Uranium and Plutonium Isotopic Composition using Thermal Ionization Mass Spectrometry [1], and in accordance with the quality assurance plan as described in QAP-X-96-CSD/RML-001, Nuclear Analytical Chemistry Laboratory Section Quality Assurance Plan [2].
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Mathew, Kattathu [Oak Ridge National Laboratory (ORNL), Oak Ridge, TN (United States)] (ORCID:0000000217944476), Grant, Carson [Oak Ridge National Laboratory (ORNL), Oak Ridge, TN (United States)], Springer, Kellen [Oak Ridge National Laboratory (ORNL), Oak Ridge, TN (United States)], Lecrivain, Lindsey [Oak Ridge National Laboratory (ORNL), Oak Ridge, TN (United States)] (ORCID:0000000230102783), Ticknor, Brian [Oak Ridge National Laboratory (ORNL), Oak Ridge, TN (United States)] (ORCID:0000000228679073), Hexel, Cole [Oak Ridge National Laboratory (ORNL), Oak Ridge, TN (United States)] (ORCID:0000000181012422), Parikh, Jenn [Oak Ridge National Laboratory (ORNL), Oak Ridge, TN (United States)] (ORCID:0009000101500934). 2026-07-01. ORNL Report of Analysis for the Verification of NRMP CRM U030A. https://doi.org/10.2172/3395396
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