Aminododecyldiphosphonic Acid for Solvent Extraction of Bismuth Ions

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DOI: 10.4236/ijnm.2012.13008    4,640 Downloads   8,365 Views  Citations

ABSTRACT

The extraction of Bi(III) in nitrate media has been investigated using aminododecyldimethylenediphosphonic acid, ADDMDPA, which was previously synthesized and characterized. The extraction of the cation was carried out in different media with the addition of CH3COONa, KNO3 and HNO3. The maximum extraction yield for Bismuth is 70% after addition of 0.01 M of potassium nitrate at pHi = 2.9, in one step.

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Medjahed, B. , Kaid, M. , Didi, M. and Villemin, D. (2012) Aminododecyldiphosphonic Acid for Solvent Extraction of Bismuth Ions. International Journal of Nonferrous Metallurgy, 1, 59-64. doi: 10.4236/ijnm.2012.13008.

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