Behavior of fission products in Fukushima Daiichi NPP under severe accidents overview of FP behavior under accidents and approaches toward advanced source term analysis, 4; Fundamental aspects of FP behavior and challenge toward further research subjects

Osaka, Masahiko  ; Miwa, Shuhei  ; Nakajima, Kunihisa  ; Di Lemma, F. G.; Suzuki, Chikashi ; Nagase, Fumihisa 

Chemical behavior of fission product (FP) are of crucial importance for the improvement of FP release and transport behavior under the severe accident. Fundamental research on FP sorption behavior and evaluation of FP chemical composition in the reactor are introduced.