摘要
本文以β－环糊精为主体，研究了它对２，４－二硝基苯酚、对氯苯酚和２，４－二氯苯酚的包络特性，作出了相应的包络特性曲线，探讨了浓度、ｐＨ 值对包络特性的影响。结果表明：β－环糊精对２，４－二硝基苯酚、对氯苯酚和２，４－二氯苯酚的包络物组成均为１∶１，包结常数分别为１．０×１０５、２．８×１０２、２．５×１０２，浓度和ｐＨ 值对包络特性有显著影响。
The envelope characteristics of 2,4 dinitrophenol,p chlorophenol and 2,4 dichlorophenol to β CD at different concentration and pH values are investigated in the paper.The curves of envelope characteristics and influence of concentration and pH values on the envelope characteristics are also discussed.The result shows that the envelope complex formed is 1∶1 for the host β CD with all vip phenols;the binding constants of 2,4 dinitrophenol,p chlorophenol,2,4 dichlorophenol to β CD are 1.0×10 5,2.8×10 2 and 2.5×10 2 respectively.
出处
《南昌航空工业学院学报》
CAS
1999年第4期73-79,共7页
Journal of Nanchang Institute of Aeronautical Technology（Natural Science Edition）
关键词
Β-环糊精
包络
酚类
吸光度
分光光度法
cyclodextrin
Envelope
Phenols
Characteristic
Absorption spectrophotometry.
