T Hirata   Y Hayano   T Ohno   
JOURNAL OF ANALYTICAL ATOMIC SPECTROMETRY 18(10) 1283-1288 2003年 [査読有り]
Cu-65/Cu-63 and Fe-56/Fe-54 isotopic ratios for two metal reference materials (NIST SRM 976 and NIST SRM 665) have been measured by a laser ablation-multiple collector-inductively coupled plasma mass spectrometer (LA-MC-ICPMS). A time resolved ana...
JOURNAL OF ANALYTICAL ATOMIC SPECTROMETRY 16(5) 487-491 2001年 [査読有り]
In-situ Fe-54/Fe-56 and Fe-57/Fe-56 ratio measurements for solid samples have been carried out using laser ablation-multiple collector-inductively coupled plasma mass spectrometry (LA-MC-ICP-MS). Using a dry plasma condition achieved by laser samp...
Hiroyuki Matsuzaki   Yasuyuki Muramatsu   Takeshi Ohno   Wei Mao   
EPJ Web of Conferences 153 2017年9月
Iodine-131 distribution released from the Fukushima Dai-ichi Nuclear Power Plant accident was reconstructed through the iodine-129 measurements. From nearly 1,000 surface soil samples iodine was extracted by the pyro hydrolysis method. Extracted i...