Magnetic Susceptibilities of Uranium (V) and Uranium (III) Chlorides

Abstract
The magnetic susceptibilities of UCl5, UCl3, and solutions of UCl3 in LaCl3 have been measured in the temperature range from 14°K to 300°K. The results are presented graphically and their general form is discussed. The susceptibility of UCl3 apparently undergoes an antiferromagnetic transition just above the boiling point of H2. As UCl3 is diluted with LaCl3 the behavior of the magnetic susceptibility approaches closely that of Nd(C2H5SO4)3·9H2O. The magnetic behavior of UCl3 is consistent with that expected for an ion with three unpaired f electrons.

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