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Empirical Equation for Resolution if Ibuprofen Enantiomers by Chiral High-Performance Liquid Chromatography  

여미순 (초정밀분리기술센터, 인하대학교 공과대학 화학공학과)
노경호 (초정밀분리기술센터, 인하대학교 공과대학 화학공학과)
Publication Information
KSBB Journal / v.18, no.4, 2003 , pp. 261-265 More about this Journal
Abstract
Ibuprofen was analyzed by chiral high performance liquid chromatography. Retention behaviours of the standard mixtures of ibuprofen were investigated to obtain their acceptable resolution. A chromatographic column (3.9 ${\times}$ 300 mm) was packed by Kromasil CHI-TBB packings (10 $\mu\textrm{m}$) and n-hexane was used as a mobile phase with 0.1% acetic acid and tert-butyl methyl ether. Isocratic elution of ibuprofen at 1.0 $m\ell$/min was performed by changing the mobile phase compositions. The experimental variables affecting the resolution were the compositions of mobile phase and chemical buffer (n-hexane and tert-butyl methyl ether). The resolution between the enantiomers were correlated into the several types of empirical equations including linear form, and their agreements between experimental data and calculated values were examined by the regression coefficient.
Keywords
Ibuprofen; chiral HPLC; resolution; retention factor;
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