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Zirconium complexes with polyaminocarboxylate ligands
Hacaperková, Eliška ; Kubíček, Vojtěch (advisor) ; Mosinger, Jiří (referee)
This thesis is focused of zirkonium complex with polyaminocarboxylate li- gands. Formation kinetics of zirkonium complex with DTTAPPh ligand was stu- died by spectrophotometry and potentiometry with ISE electrode. According to both methods [Zr(DTTAPPh)] complex is formed rapidly (t99 % < 5 s). In the second part formation kinetics and stability of [Zr(DFO)] complex with fluo- ride anions were studied by potentiometry. For pH range 1-7 average number of fluoride anions coordinated to [Zr(DFO)] complex was determined. This de- pendence shows maxima at pH 3. Number of coordinated fluoride anions as function of increasing fluoride cincentration was studied at pH 3 and 5. Sta- bility of [Zr(DFO)(F)n] complex at fysiological pH was evaluated to determine usability of the complex in vivo.

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