Determination of the Rare Earth Elements in Hot Spring Water by the Radioativation Method
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<I>The contents of lanthanum, samarium, europium and scandium were determined in several hot springs in Nasu and Kusatsu areas by the aid of the radioactivation method. The mixed hydroxides precipitated from</I> 1-2<I>l of the spring water were ignited and then subjected to the neutron irradiation in the JRR</I>-1 <I>reactor for</I> 5 hrs. <I>The total rare earth elements fraction was separated chemically and the radioactivity was measured with the single channel</I> γ-<I>ray spectrometer</I>. <I>These elements are present in five springs tested in the range of</I> 1.2-5.7μg La/<I>l</I>, 0.8-2.6 μg Sm/<I>l</I>, 0.2-0.6μg Eu/<I>l</I> <I>and</I> 0.5-3.3μg Sc/<I>l</I>. <I>Distribution of these elements between the spring water and the sinter deposit of the "Moto-yu"spring, Nasu, was also investigated</I>.
- 社団法人 日本アイソトープ協会の論文
社団法人 日本アイソトープ協会 | 論文
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