The amount of uranium in seawater vastly exceeds that in land-based deposits; but separating it from other more abundant metal ions requires high affinity, selectivity — and the ability to deal with an enormous volume of water. Now, two complementary approaches have made considerable contributions to overcoming these challenges.
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Lu, Y. Coordination chemistry in the ocean. Nature Chem 6, 175–177 (2014). https://doi.org/10.1038/nchem.1880
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DOI: https://doi.org/10.1038/nchem.1880
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