Abstract
Publisher SummaryThis chapter discusses the contributions of Dr. G.T. Seaborg and Dr. G.H. Higgins to the development of the technique of chromatography. Dr. Seaborg's involvement in chromatography is related to his activities in the pioneering atomic energy research: he utilized ion-exchange chromatography for the separation and purification of uranium and plutonium from each other and from fission products and the separation of transplutonium elements from rare earths and from each other. Dr. Higgins has been involved in the use of ion-exchange chromatography for the separation of transuranium elements. Their ion-exchange equipment in use has been placed in dry boxes to protect against the alpha particle radioactivity. The assemblies have been inserted in lead shields for protection against gamma radiation, and the equipment operated with manipulators via sleeved curved rods. The ion exchange columns belonged to two general types. The first type has been unjacketed and used for actinide–lanthanide or anion–cation separations. The jacketed columns have been used for the higher temperature separation of the members of the actinide or lanthanide series from each other.
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