[3B09-13] Deburis 7

3:15 PM - 3:30 PM JST(6:15 AM - 6:30 AM UTC)

[3B11] Analysis of fuel debris obtained from inside the pedestal of Unit 2 of Fukushima Daiichi Nuclear Power Station(11)Nuclide analysis of fuel debris dissolved by nitric acid

*Takashi Onishi¹, Asahi Nitta¹, Takeru Yoshida¹, Chihiro Toyota¹, Yoshihiro Sekio¹, Koji Maeda¹, Hirotomo Ikeuchi¹, Masato Mizokami², Shinya Mizokami² (1. JAEA, 2. TEPCO HD)

Keywords:

Fukushima Daiichi Nuclear Power Station accident,Fuel debris,Solution analysis,Nitric acid dissolution

Several picecs of fuel debris were dissolved using simple dissolution method that employed nitric acid solution with trace hydrofluoric acid. Nuclides in dissolved fuel debris solution were analyzed by inductively coupled-plasma mass spectrometry and radiation measurements.