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Report No.

Complexing agents for oxonium anions of Mo and Re and their masking effects on extraction using N-donor extractants

Sasaki, Yuji  ; Suzuki, Tomoya; Morita, Keisuke ; Tsubata, Yasuhiro   

Several complexing agents including soft donor in their structures are examined for the masking effects of Mo and Re through solvent extraction. The available extractants are hexaoctyl-nitrilotriacetamide (NTAamide) and methyliminodioctylacetamide (MIDOA), whose extractants have high D(Mo, Re). It is clear that Mo and Re in HNO$$_{3}$$ dissolving N-donor ligands, ethylenediamine, diethylenetriamine, and 1,3-diaminopropane, can be suppressed for extraction into organic phase. The ligands including sulfur donor, e.g., thiourea, are also tested, however, less masking effect can be seen.



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Category:Chemistry, Multidisciplinary



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