UF4/KBr在空气中的室温水解及其热转化行为在线FT-IR研究

doi:10.3866/PKU.WHXB201510232

Abstract

Abstract:

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.

Key words: UF₄, FT-IR, Hydrolyzation reaction, Transformation behavior

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

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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

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