Abstract
Different techniques are available for the measurement of 129I or 129I/127 I ratio. Due to the lack of internationalcertified reference material for 129I, intercomparison exerciseson the measurement of 129I are very rare. This study presents twointercomparison exercises between three techniques: direct γ-X spectrometry,radiochemical neutron activation analysis and accelarator mass spectrometry.A reference material was constituted with a Fucus serratus collected on thefrench channel coast. A significative correlation between the results givenby the three techniques was proven on this material and on a set of otherFucus serratus samples presenting different activity levels.
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Raisbeck, G. 129I and 129I/127 I ratio determination in environmental biological samples by RNAA, AMS and direct γ -X spectrometry measurements. Journal of Radioanalytical and Nuclear Chemistry 249, 133–138 (2001). https://doi.org/10.1023/A:1013220210574
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DOI: https://doi.org/10.1023/A:1013220210574