Journal
SEPARATION AND PURIFICATION TECHNOLOGY
Volume 195, Issue -, Pages 377-387Publisher
ELSEVIER SCIENCE BV
DOI: 10.1016/j.seppur.2017.12.034
Keywords
Enantiomeric separation; Thermodynamic parameters; Levofloxacin; HFSLM; Isotherm application
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Funding
- Rachadapisek Sompote Fund for Postdoctoral Fellowship, Chulalongkorn University
- Institutional Research Grant (The Thailand Research Fund) [IRG 5780014]
- Chulalongkorn University [RES_57_411_21_076]
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The thermodynamic parameters Delta H, Delta S and Delta G on enantiomeric separation of levofloxacin were determined. The activation energy (E-a) of the reaction between levofloxacin and (-)-DBTA was 72.96 kJ mol(-1). Percentages of extraction and recovery of levofloxacin were 88.35% and 85.57%, respectively. Enantiomeric excess (% e.e.) was found to be 80.00%. Further, Langmuir isotherm was applied to the HFSLM system. Thus, it was noted that the Langmuir isotherm showed good agreement with the experimental data with a percentage deviation of 2.29%.
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