Determination of rare earth elements in hot spring water and crater lake water samples by neutron activation analysis incorporating coprecipitation process using aluminium as a collector |
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| Authors: | T. Honda T. Oi T. Ossaka T. Nozaki H. Kakihana |
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| Affiliation: | (1) Atomic Energy Research Laboratory, Musashi Institute of Technology, 971 Ozenji, Asaoku, 215 Kawasakishi, Kanagawa, (Japan);(2) Department of Chemistry, Sophia University, 7-1 Kioicho, Chiyodaku, 102 Tokyo, (Japan) |
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| Abstract: | Hot spring water and crater lake water samples were analyzed for their rare earth elements: (REE's) by neutron activation method, which, in the irradiation, sample preparation, incorporated a coprecipitation process in which aluminium was used as a collector. Ten REE's, La, Ce, Sm, Eu, Gd, Tb, Dy, Tm, Yb and Lu, were consequently detected and determined at the ppb level with satisfactory precision. It was shown that the aluminium coprecipitation is effective in enhancing concentrations of the REE's and reducing the amounts of interfering nuclides before neutron irradiation. |
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