TY - JOUR
T1 - Status of the AMS system at Yamagata University
AU - Moriya, Toru
AU - Takeyama, Mirei
AU - Sakurai, Hirohisa
AU - Umebayashi, Toyoharu
AU - Toyoguchi, Teiko
AU - Shiraishi, Tadashi
AU - Miyahara, Hiroko
AU - Ohyama, Motonari
AU - Nozawa, Kohei
AU - Ito, Satoshi
AU - Itoh, Shigeru
AU - Hirota, Masashi
AU - Tokanai, Fuyuki
N1 - Funding Information:
This work is supported by JSPS KAKENHI Grant numbers 23300320 , 15H05816 and 25287051 .
Publisher Copyright:
© 2018 Elsevier B.V.
PY - 2019/1/15
Y1 - 2019/1/15
N2 - An accelerator mass spectrometry (AMS) system and an automated graphitization line were installed at Yamagata University (YU) in 2009. Approximately 2000 samples are measured per year using the YU-AMS system. The long-term stability of the system was assessed by measuring the standard sample IAEA-C7 graphitized by the automated graphitization line. In March 2014, a second automated graphitization line and an additional ion source for the YU-AMS system were installed to meet the requirement of 14C measurement for pharmacological and medical applications. A phosphoric acid treatment system was also developed for the radiocarbon dating of calcium carbonate (CaCO3) in shell and coral samples. Performance tests on the new YU-AMS system were carried out by measuring the C-series standard samples (C1-C9) and oxalic acid II (HOxII) obtained from IAEA and NIST, respectively. The results of the 14C concentration pMC are in good agreement with the consensus values. Performance tests for medical applications were also carried out by measuring the 14C concentration of 14C-glucose in human plasma.
AB - An accelerator mass spectrometry (AMS) system and an automated graphitization line were installed at Yamagata University (YU) in 2009. Approximately 2000 samples are measured per year using the YU-AMS system. The long-term stability of the system was assessed by measuring the standard sample IAEA-C7 graphitized by the automated graphitization line. In March 2014, a second automated graphitization line and an additional ion source for the YU-AMS system were installed to meet the requirement of 14C measurement for pharmacological and medical applications. A phosphoric acid treatment system was also developed for the radiocarbon dating of calcium carbonate (CaCO3) in shell and coral samples. Performance tests on the new YU-AMS system were carried out by measuring the C-series standard samples (C1-C9) and oxalic acid II (HOxII) obtained from IAEA and NIST, respectively. The results of the 14C concentration pMC are in good agreement with the consensus values. Performance tests for medical applications were also carried out by measuring the 14C concentration of 14C-glucose in human plasma.
KW - AMS
KW - Microdosing
KW - Radiocarbon dating
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U2 - 10.1016/j.nimb.2018.11.004
DO - 10.1016/j.nimb.2018.11.004
M3 - Article
AN - SCOPUS:85057882113
VL - 439
SP - 94
EP - 99
JO - Nuclear Instruments and Methods in Physics Research, Section B: Beam Interactions with Materials and Atoms
JF - Nuclear Instruments and Methods in Physics Research, Section B: Beam Interactions with Materials and Atoms
SN - 0168-583X
ER -