| 简介 |
PROBLEM TO BE SOLVED : To provide a rare-earth metal adsorbent capable of adsorbing efficiently a rare earth metal contained in water without using a large quantity of an organic solvent; and to provide a rare-earth metal adsorbing device, and a production method of the rare-earth metal adsorbent.
SOLUTION : A rare-earth metal adsorbent in an embodiment has a carrier and a group expressed by following formula (1) or (2). The group expressed by following formula (1) or (2) is bonded to the carrier surface. In the formula (1), n shows an integer of 2-4 : ≡Si-(CnH2n)-NH-COCH2OCH2COOH (1) and -CH(OH)-CH2-NH-COCH2OCH2COOH (2).
SELECTED DRAWING : None
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