Abstract
242Cm is one of the most important isotopes of curium. It is an alpha-active nuclide with a half-life of 164 days and a specific activity of 3,300 curies per gram (1). To obtain weighable quantities of 242Cm, 241Am is irradiated with neutrons in a reactor. At the same time, plutonium, mainly 238Pu and 242Pu, and fission products are also formed (2). Therefore, for the separation of 242Cm from irradiated Am targets, the separation process has to include the separation of transplutonium elements (TPE) from other actinides, from lanthanides and other fission products. Since the 1960's several countries have developed processes for the separation of 242Cm from irradiated 241Am targets (2-5). In recent years we have also developed a process which can be used to extract hundreds of curies of 242Cm from several grams of irradiated 241AmO2. In this process liquid-liquid extraction, extraction chromatography and ion exchange are used. Recovery of
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