Fan Yao-ting
2007
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Journal
Journal of Instrumental Analysis
Abstract
A new ligand(4,6-dimethyl-2-pyrimidinyl thio) acetic acid(Hdmpytaa) was synthesized.The electrochemical behavior of(4,6-dimethyl-2-pyrimidinyl thio) acetic acid on glassy carbon electrode was studied by cyclic voltammetry and differential pulse voltammetry.In 0.1 mol/L TBAP DMF solution,Hdmpytaa yields a well-defined cathodic adsorption peak at-0.83 V.The electrode process involves single electron transfer reaction with α=0.74.The cyclic voltammetry was also employed for the recognition study of Hdmpytaa to transition-metal ions.The results indicate that Hdmpytaa has a good selective-recognition ability to Cu2+ and Pb2+ ions.