以前稀土常存於獨居石中，含有放射性的釷。先熔鹽電解，然後用EDTA萃取分離。

來源: chufang 於 2025-04-13 16:55:14 [博客] [舊帖] [給我悄悄話] 本文已被閱讀：次

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