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In 1996/1997, a 14 C-AMS system (model 4130-AMS) manufactured by High Voltage Engineering Europe (HVEE), B.V., The Netherlands, was installed at the Center for Chronological Research (CCR), Nagoya University. The system provides highly precise and accurate 14 C determinations as well as δ13C values for graphite targets (1.5 mg carbon and 3 mg iron powder) prepared from standards and...
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