Relative difference of the vapour pressures of 11BF3 and 10BF3

Journal of Nuclear Energy. Parts A/B. Reactor Science and Technology Pub Date : 1966-07-01 DOI:10.1016/0368-3230(66)90056-5

I.B. Amirkhanova, A.V. Borisov, I.G. Gverdtsiteli, A.T. Karamyan

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引用次数: 1

Abstract

The relative differences of the vapour pressures of the isotopic molecules ¹¹BF₃ and ¹⁰BF₃ are measured by the differential method at temperatures of 147–247·7°K. The enrichment factor is decreased from 20 × 10⁻³ (147·0°K) to 1·1 × 10⁻³ (247·7°K).

Liquid solutions of ¹BF₃ and ¹⁰BF₃ are ideal within the limits of experimental error. In the interval of temperature measured, corrections have been calculated for the enrichment factor in connexion with the non-ideality of the gaseous phase.

The data obtained with different parameters of the process of rectifying BF₃ (height of the theoretical plate, transmitting capacity of the nozzle, etc.) make it possible to estimate the effectiveness of the separation of ¹¹BF₃ and ¹⁰BF₃ at different pressures.

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11BF3和10BF3的蒸气压相对差

用差法测定了同位素分子11BF3和10BF3在147 ~ 247·7°K温度下的相对蒸气压差。富集因子从20 × 10−3(147·0°K)降低到1·1 × 10−3(247·7°K)。在实验误差范围内，1BF3和10BF3的液体溶液是理想的。在测温期间，计算了与气相非理想性有关的富集因子的修正。利用精馏过程中不同参数(理论板高度、喷嘴透射能力等)得到的数据，可以估计不同压力下11BF3和10BF3分离的效果。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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Journal of Nuclear Energy. Parts A/B. Reactor Science and Technology

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