| 摘要 |
PURPOSE:To accurately monitor the variation in total reflectivity caused by the variation in laser output, in decomposing UF6 by irradiating UF6 gas containing minute amount of CH4 with infrared laser beam, by quantifying formed C2H6 or CH3F. CONSTITUTION:UF6 gas containing minute amount of CH4 is irradiated with infrared laser beam to decompose UF6 and the reactivity of UF6 is monitored by quantifying C2H6 or CH3F formed at this time to monitor the reactivity in a laser uranium conc. process. When C2H6 or CH3F is quantified using a method capable of performing analysis instantaneously employing an infrared spectrophotometer or gas chromatography, reactivity can be monitored in a real time. Since the reactivity is monitored by analyzing a chemically stable product, the variation in total reflectivity can be accurately monitored.
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