Citation: ZHONG Jing-Rong, SHAO Lang, YU Chun-Rong, REN Yi-Ming. in-situ FT-IR Study of Hydrolyzation Reaction at Ambient Temperature and Thermal Transformation Behaviors of UF₄/KBr in Air[J]. Acta Physico-Chimica Sinica, ;2015, 31(12): 2251-2258. doi: 10.3866/PKU.WHXB201510232 shu

in-situ FT-IR Study of Hydrolyzation Reaction at Ambient Temperature and Thermal Transformation Behaviors of UF₄/KBr in Air

1.
China Academy of Engineering Physics, Mianyang 621900, Sichuan Province, P. R. China

Corresponding author: REN Yi-Ming,
Received Date: 25 August 2015
Available Online: 23 October 2015
Fund Project: 国家自然科学基金(21507118)资助项目 (21507118)

The hydrolyzation reaction and thermal transformation of UF₄/KBr in air at ambient temperatures were studied by in-situ transmission Fourier transform infrared (FT-IR) spectroscopy. The infrared spectra for a series of different compounds containing uranium before and after reaction were obtained. Following hydrolysis of UF₄/KBr in air, the primary products were UO₂F₂ and their hydrolysates. Other products, including U₃O₈, UO₂, and UO₃, appeared with increased reaction time. During the heating process, the hydrolysates of UF₄/KBr reacted with each other, finally yielding only uranium oxides.
- UF₄,
- FT-IR,
- Hydrolyzation reaction,
- Transformation behavior
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in-situ FT-IR Study of Hydrolyzation Reaction at Ambient Temperature and Thermal Transformation Behaviors of UF4/KBr in Air

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in-situ FT-IR Study of Hydrolyzation Reaction at Ambient Temperature and Thermal Transformation Behaviors of UF₄/KBr in Air