摘要
用分光光度法测定了单取代5-氟尿嘧啶卟啉与锌(Ⅱ)配位反应的平衡常数,并用温度系数法求得该配位反应的热力学函数ΔrHmθ和ΔrSmθ,探讨了不同溶剂对配位反应的影响及体系反应前后电子吸收光谱的变化。
The equilibrium constant of coordinate reaction of 5 - fluorouracil -porphyrin and the zinc （ Ⅱ ） was determined by spectrometric methods. The changes of standard molar enthalpy △rⅡm^θ and the changes of standard molar entropy △rSm^θ of the coordinate reaction were obtained from the plots of InK vs 1/T . And the influence of dift^rent solvent to the coordinate reaction was discussed . Their UV -vis spectra were reported .
出处
《湖北师范学院学报（自然科学版）》
2009年第4期8-11,共4页
Journal of Hubei Normal University(Natural Science)
基金
湖北省教育厅重点科研项目(2004D005)
关键词
配位反应
热力学参数
金属卟啉
电子吸收光谱
coordinate reaction
Thermodynamics parameter
Metallporphyrins
UV - vis spectra
