THE DETERMINATION OF 227Ac IN RARE EARTHS.

THE DETERMINATION OF 227Ac IN RARE EARTHS.[J]. Journal of Nuclear and Radiochemistry, 1984, 06(1): 42-42.

Citation:

THE DETERMINATION OF 227Ac IN RARE EARTHS.[J]. Journal of Nuclear and Radiochemistry, 1984, 06(1): 42-42.

Citation:

THE DETERMINATION OF 227Ac IN RARE EARTHS.[J]. Journal of Nuclear and Radiochemistry, 1984, 06(1): 42-42.

Abstract

In this paper two methods of analysis is described. One method consists of the removal of U andTh from rare earths containing 227Ac by means of HDEHP chromatographic column Ⅰ. 227Ac is allowed to decay to 227Th which is first purified by running through a second HDEHP column (column Ⅱ) and then electroplated to count its activity. Another method consists of using a Mg aslt of HDEHP for the extraction. The sensitivity of the method is 3.2×10-15 Ci/g.

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