Solubility of Uranium, Neptunium, and Plutonium Dioxides in Simulated Groundwater under Various Conditions

T. I. Trofimov; Yu. M. Kulyako; S. A. Perevalov; D. A. Malikov; B. F. Myasoedov

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Solubility of Uranium, Neptunium, and Plutonium Dioxides in Simulated Groundwater under Various Conditions

机译：不同条件下铀，N和二氧化Di在模拟地下水中的溶解度

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Solubility of UO_(2), NpO_(2), and PuO_(2) powders in simulated groundwater (SGW) was studied by attainment of the equilibrium from below. The solubility was determined in AnO_(2)-SGW heterogeneous systems at different solid : liquid weight ratios and different pH values of the examined solutions both under ambient conditions and in an inert atmosphere. The solubility of UO_(2), NpO_(2), and PuO_(2) depends on the solid: liquid ratio but is independent of pH of the solutions in the range from 6 to 11. The solubilities of UO_(2) and NpO_(2) in SGW under ambient conditions are higher that those in an inert atmosphere. The solubility of freshly calcined PuO_(2) is virtually independent of the atmosphere. Formation of amorphous hydroxides by oxidation of the dioxide surface, whose area is proportional to the weight of the dioxides, increases their solubility.

机译：通过从下面达到平衡，研究了UO_（2），NpO_（2）和PuO_（2）粉末在模拟地下水（SGW）中的溶解度。在环境条件和惰性气氛下，在AnO_（2）-SGW异质系统中，以不同的固液比和所检查溶液的不同pH值测定溶解度。 UO_（2），NpO_（2）和PuO_（2）的溶解度取决于固液比，但与溶液的pH无关，范围为6至11。UO_（2）和NpO_的溶解度（2）在环境条件下SGW的温度要高于在惰性气氛下的温度。新鲜煅烧的PuO_（2）的溶解度实际上与大气无关。通过二氧化物表面的氧化形成无定形氢氧化物，其面积与二氧化物的重量成比例，从而增加了其溶解度。

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《Radiochemistry》 |2008年第2期|共5页
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T. I. Trofimov; Yu. M. Kulyako; S. A. Perevalov; D. A. Malikov; B. F. Myasoedov;
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正文语种 eng
中图分类计量学;
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1. Solubility of Uranium, Neptunium, and Plutonium Dioxides in Simulated Groundwater under Various Conditions [J] . T. I. Trofimov, Yu. M. Kulyako, S. A. Perevalov, Radiochemistry . 2008,第2期

机译：不同条件下铀，N和二氧化Di在模拟地下水中的溶解度
2. Role of Anions and Reaction Conditions in the Preparation of Uranium(VI), Neptunium(VI), and Plutonium(VI) Borates [J] . Wang Shuao, Villa Eric M., Diwu Juan, Inorganic Chemistry: A Research Journal that Includes Bioinorganic, Catalytic, Organometallic, Solid-State, and Synthetic Chemistry and Reaction Dynamics . 2011,第6期

机译：阴离子和反应条件在制备硼酸铀（VI），N（VI）和P（VI）中的作用
3. Critical role of water content in the formation and reactivity of uranium, neptunium, and plutonium iodates under hydrothermal conditions: Implications for the oxidative dissolution of spent nuclear fuel [J] . Bray TH, Ling J, Choi ES, Inorganic Chemistry: A Research Journal that Includes Bioinorganic, Catalytic, Organometallic, Solid-State, and Synthetic Chemistry and Reaction Dynamics . 2007,第9期

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4. The Solubility of Pu(IV) Hydroxide and Pu Dioxide in simulated Groundwater Solutions (SGW) under Various Conditions [C] . Boris Myasoedov, Yury Kulyako, Dmitry Malikov, Topical Conference on Plutonium and Actinides . 2003

机译：在各种条件下PU（IV）氢氧化物和PU二氧化溶剂在模拟地下水溶液（SGW）下的溶解度
5. Prompt neutron polarization asymmetries in photossion of isotopes of Thorium, Uranium, Neptunium, and Plutonium. [D] . Mueller, Jonathan M. 2013

机译：Thor，铀，N和P的同位素光子中迅速的中子极化不对称。
6. Solid-phase extraction of plutonium in various oxidation states from simulated groundwater using N-benzoylphenylhydroxylamine [O] . S. A. Perevalov, G. I. Malofeeva, E. V. Kuzovkina, -1

机译：使用N-苯甲酰基苯基羟胺从模拟地下水固相萃取各种氧化态的of
7. Geochemical modeling of solubility and speciation of uranium, neptunium, and plutonium [O] . Yu Zhongbo, Lin Yuyu, Johannesson Karen, 2007

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8. Technetium, neptunium and uranium in simulated anaerobic groundwater conditions [R] . Hakanen, M. , Lindberg, A. 1995

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Solubility of Uranium, Neptunium, and Plutonium Dioxides in Simulated Groundwater under Various Conditions

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