>
Fa   |   Ar   |   En
   Partitioning of cephalexin in ionic liquid aqueous two-phase system composed of 1-butyl-3-methylimidazolium tetrafluoroborate and ZnSO 4  
   
نویسنده li y.f. ,han j. ,wang y. ,ma j.j. ,yan y.s.
منبع journal of chemistry - 2013 - دوره : 2013 - شماره : 0
چکیده    Ionic liquid aqueous two-phase system (ilatps) was applied in the extraction and separation of hydrosoluble antibiotics. the partitioning behavior of cephalexin (cex) in 1-butyl-3-methylimidazolium tetrafluoroborate ([bmim]bf 4)-znso 4 aqueous two-phase system was studied by the partitioning parameter of the extraction efficiency. the effect of the volume of [bmim]bf 4,the concentration of znso 4,temperature,ph,and the volume of znso 4 solution was discussed concretely. when the volume of [bmim]bf 4 was 2 ml and the concentration of znso 4 was 35,the extraction efficiency of cex could reach 92.64 with ph unadjusted. the effect of the volume of [bmim]bf 4 on the extraction efficiency was higher than that of the concentration of znso 4. the temperature influenced not only the formation of aqueous two-phase system but also the extraction efficiency of cex. the target was found to be preferentially extracted to the [bmim]bf 4-rich phase at the ph below 4.3. the partition of cex to the top phase was enhanced by increasing the volume of [bmim]bf 4,the concentration of znso 4,and temperature; however,the partition of cex to the top phase increased by decreasing the ph. © 2013 yan fang li et al.
آدرس school of chemistry and chemical engineering,jiangsu university, China, school of chemistry and chemical engineering,jiangsu university, China, school of chemistry and chemical engineering,jiangsu university, China, school of biological and chemical engineering,jiangsu university of science and technology, China, school of chemistry and chemical engineering,jiangsu university,zhenjiang 212013,china,state key laboratory of natural and biomimetic drugs,peking university, China
 
     
   
Authors
  
 
 

Copyright 2023
Islamic World Science Citation Center
All Rights Reserved