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A Certified Reference Material (CRM) for radionuclides in seaweed (Fucus vesiculosus) from the Baltic Sea (IAEA-446) is described and the results of the certification process are presented. The 40 K, 137 Cs, 234 U and 239+240 Pu radionuclides were certified for this material, and information values for 12 other radionuclides ( 90 Sr, 99 Tc, 210 ...
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