…In principle, this method has the advantage that it can produce highly enriched uranium in a single separation operation. The method known as chemical exchange enriches uranium by utilizing the fact that the equilibrium constant of the isotope exchange reaction 235 UA + 238 UB ⇄ 238 UA + 235 UB between two types of uranium compounds UA and UB is slightly different from 1. In other words, when UA and UB coexist and are in equilibrium, the concentration of 235 U in the uranium contained in the compound UA is different from the concentration of 235 U in the uranium contained in the compound UB. … *Some of the terminology used in reference to the "chemical exchange method" is listed below. Source | Heibonsha World Encyclopedia 2nd Edition | Information |
…この方法は,原理的には,1回の分離操作で非常に高い濃縮度のウランを製造することができるという利点をもっている。 化学交換法と呼ばれる方法は,2種類のウラン化合物UAとUBとの間の同位体交換反応235UA+238UB⇄238UA+235UBにおいて,その平衡定数が1からわずかにずれることを利用してウラン濃縮を行うものである。すなわち,UAとUBとが共存して平衡状態にある場合,化合物UAに含まれるウラン中の235Uの濃度が,化合物UBに含まれるウラン中の235Uの濃度と異なることを利用するものである。… ※「化学交換法」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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