Determination of Coordination Configuration of Rare Earth Ions with Aminoacids in Solutions with Cooperative Vibronic Spectroscopy
Determination of Coordination Configuration of Rare Earth Ions with Aminoacids in Solutions with Cooperative Vibronic Spectroscopy作者机构：State Key Laboratory of Ultrafast Laser Spectroscopy Zhongshan University Guangzhou 510275 China
出 版 物：《Journal of Rare Earths》 (稀土学报（英文版）)
年 卷 期：2000年第18卷第1期
页 面：14-17页
核心收录：
学科分类：07[理学] 070302[理学-分析化学] 0703[理学-化学]
基 金：the Natural Science Foundation of Guangdong Province!980278, 960036 the National Natural Science Foundation of China!29705004
主 题：rare earths coordination configuration aminoacid cooperative vibronic spectroscopy
摘 要：The use of cooperative vibronic spectroscopy to measure coordination numbers of the ligands surrounding rare earth ions in solutions was proposed and demonstrated. It is shown that the time-resolved cooperative vibronic spectroscopy is a very useful technique for the determination of the ligand type and ligand number for different coordination groups. Coordination configuration of arginine with Tb3+ in solutions with different pH values was studied. It demonstrates that the carboxy1 of arginine can replace H2O to coordinate with Tb3+ and the coordination number of carboxyl increases with the increase of pH value of the solutions.
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