| Thermodynamic Complexation of Dopamine with Zinc(II) in Media with Different Dielectric Constants |
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| 作者姓名： | BAGHERI GH Azar |
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| 作者单位： | Department of Chemistry, Center Tehran Branch, Islamic Azad University, Tehran, Iran |
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| 摘 要： | The complexation of zinc(II) with dopamine has been investigated by spectrophotometric measurements in mixed solvent system at an ionic strength of 0.2 mol•dm－3 sodium chloride, employed at at (15±0.1), (25±0.1), (35±0.1) ℃ at inin a pH range of ca. 6 to ca. 7 with a high ratio of ligand to metal. The effect of solvent systems on protonation and complexation are was was discussed. Linear relationships are werewere observed by plotting lg K versus 1/D, where K and D show stability and dielectric constants, respectively.
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| 关 键 词： | zinc(II) dopamine complexation mixed solvent |
| 收稿时间： | 2007-12-12 |
| 修稿时间： | 2008-4-9 |
Thermodynamic Complexation of Dopamine with Zinc(Ⅱ) in Media with Different Dielectric Constants |
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| BAGHERI GH Azar.Thermodynamic Complexation of Dopamine with Zinc(II) in Media with Different Dielectric Constants[J].Chinese Journal of Chemistry,2009,27(6):1073-1078. |
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| Authors: | BAGHERI GH Azar |
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| Abstract: | The complexation of zinc(II) with dopamine has been investigated by spectrophotometric measurements in mixed solvent system at an ionic strength of 0.2 mol·dm?3 sodium chloride, at (15±0.1), (25±0.1), (35±0.1)°C in a pH range of ca. 6 to ca. 7 with a high ratio of ligand to metal. The effect of solvent systems on protonation and complexation was discussed. Linear relationships were observed by plotting lg K versus 1/D, where K and D show stability and dielectric constants, respectively. |
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| Keywords: | zinc(II) dopamine complexation mixed solvent |
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