A preliminary investigation on the determination of lanthanoids, thorium and uranium in brine and deposit of a salt lake in China |
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| Authors: | M Yui Y Kikawada T Oi T Honda D Sun K Shuai |
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| Institution: | (1) Deparement of Chemistry, Sophia University, 7-1 Kioicho, Chiyoda, 102 Tokyo, Japan;(2) Atomic Energy Research Laboratory, Musashi Institute of Technology, 971 Ozenji, Asao, 215 Kawasaki, Kanagawa, Japan;(3) Qinghai Institute of Salt Lakes, Acadenia Sinica, 7 Xinninglu Road, 810008 Xinning, P. R. China;(4) Department of Energy Geology, China University of Geosciences, 29 Xueyuan Road, 100083 Beijing, P.R. China |
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| Abstract: | A brine sample and two deposit samples of a salt lake in China were analyzed for their contents of lanthanoids (Ln's), thorium
and uranium by neutron activation analysis. Five Ln's were determined at sub ppb levels. Th and U contents were at about the
same levels as those of Ln's. The lanthanoid abundance patterns (Ln pattern) of the three samples are similar to each other,
each having a negative slope in the light Ln region. There seems no substantial difference in distribution between the solution
(brine) and solid (deposit) phases among Ln's. |
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