2016 Annual Meeting

Presentation information

Oral Presentation

IV. Nuclear Fuel Cycle and Nuclear Materials » 405-2. Waste Disposal and Its Environmental Aspects

[1E12-15] Geological Environment and Radionuclide Solubility

Sat. Mar 26, 2016 3:50 PM - 4:55 PM Room E (Lecture Rooms B B202)

Chair: Takumi Saito (Univ. of Tokyo)

4:20 PM - 4:35 PM

[1E14] Interpretation of temperature effect on the solubility and solid phase of thorium hydroxide

*Shogo Nishikawa1, Taishi Kobayashi1, Takayuki Sasaki1 (1.Kyoto University, Graduate School of Engineering)

Keywords:solubility, temperature dependence, thorium, solid phase

25℃、40℃および60℃の温度条件下で振とうした4価トリウム水酸化物の溶解度を測定するとともに、X線回折法により固相の状態を調べた。得られた結果に基づき、加熱による固相結晶化に伴う溶解度変化について定量的な解釈を試みた。