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Present Status of YU-AMS System

  • Fuyuki Tokanai (a1), Kazuhiro Kato (a1), Minoru Anshita (a1), Hirohisa Sakurai (a1), Akihiro Izumi (a1), Teiko Toyoguchi (a2), Takeshi Kobayashi (a2), Hiroko Miyahara (a3), Motonari Ohyama (a4) and Yasuharu Hoshino (a5)...


A new compact accelerator mass spectrometry (AMS) system has been installed in the Kaminoyama Research Institute at Yamagata University (YU). The AMS system is based on a 0.5MV Pelletron accelerator developed by the National Electrostatics Corporation. An automated acid-alkali-acid (AAA) treatment system and an automated graphitization line were also installed in the same facility for sample preparation. Performance tests of the YU-AMS system were carried out by measuring the C-series standard samples (C1–C8) and HOxII provided by IAEA and NIST, respectively. We evaluated the YU-AMS system by comparing the radiocarbon ages of Japanese tree rings with dendrochronologically determined calendar ages with calibration data. We also carried out some performance tests using a control serum and a 14C-labeled drug (oxaliplatin).


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