…When a small amount of liquid is placed in a centrifuge, the light isotopes turn into gas and gather near the axis of rotation. This was used to develop the evaporation centrifugation method, in which 35 Cl and 37 Cl were first separated in 1939 by JW Beams and others. In the gas effusion method, which uses the difference in the speed of gas diffusion, 235 U is extracted using UF6 gas. Recently, laser isotope separation (LIS) has been developed and is used to separate 235 U. … *Some of the terminology used in reference to the "gas fugitive method" is listed below. Source | Heibonsha World Encyclopedia 2nd Edition | Information |
…遠心分離機内に少量の液体を入れると,軽い同位体が気体となって回転軸付近に集まるので,これを利用して蒸発遠心分離法が開発され,35Clと37Clが39年ビームスJ.W.Beamsらによって初めて分離された。ガス拡散の速度差を利用する気体噴散法では,UF6の気体を用いて235Uをとり出している。最近ではレーザーによる同位体分離laser isotope separation(略称LIS)が開発され,235Uの分離に用いられている。… ※「気体噴散法」について言及している用語解説の一部を掲載しています。 出典|株式会社平凡社世界大百科事典 第2版について | 情報 |
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