Particle accelerator measurements of10Be in marine accumulations: Intercomparison with beta counting method
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Cosmogenic beryllium-10 activities have been measured in marine accumulations of up to ∼6 m.y age by conventional beta counting technique and by accelerator mass spectrometry. The two sets of data at10Be levels of 109–1010 atoms/g agree within the absolute errors of the two methods. The detection limit for10Be by the accelerator mass spectrometry is about five orders of magnitude lower than that with the beta counting method.
KeywordsParticle accelerator beryllium-10 marine sediments manganese nodules accumulation rates
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