Determination of carbon-14 in environmental level, solid reference materials

P Blowers, J Caborn, T Dell, T Gingell, A Harms… - Applied Radiation and …, 2011 - Elsevier
An intercomparison exercise to determine the 14C activity concentrations in a range of solid,
environmental level materials was conducted between laboratories in the UK. IAEA
reference materials, C2, C6 and C7, and an in-house laboratory QA material were
dispatched in 2006 to ten laboratories comprising of members of the Analyst Informal
Working Group (AIWG) and one other invited party. The laboratories performed the
determinations using a number of techniques, and using the results each one was evaluated …
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