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Separation of Ga(III) from Cu(II), Ni(II) and Zn(II) in aqueous solution using synthetic polymeric resins

✍ Scribed by Massaoud, A. ;Hanafi, H. ;Siyam, T. ;Saleh, Z. ;Ali, F.


Book ID
111488004
Publisher
Walter de Gruyter GmbH
Year
2008
Tongue
English
Weight
905 KB
Volume
6
Category
Article
ISSN
2391-5420

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## Abstract The protonation and complex formation of the new ligand 3,3β€², 5,5′‐tetramethyl‐dipyrromethene‐4,4′‐dicarboxylate in aqueous solutions was investigated by alkalimetric titrations and spectrophotometric measurements (25Β°, I = 1 (KNO~3~)). The p__K__ values for the Nο£ΏH groups are 8.03 and