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- E-ISSN 2288-8985
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Effect of acid or base additive in the mobile phase on enantiomer separation of amino alcohols using polysaccharide derived chiral columns
Analytical Science and Technology / Analytical Science and Technology, (P)1225-0163; (E)2288-8985
2009, v.22 no.4, pp.313-318
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(2009). Effect of acid or base additive in the mobile phase on enantiomer separation of amino alcohols using polysaccharide derived chiral columns. Analytical Science and Technology, 22(4), 313-318.
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Abstract
Liquid chromatographic enantiomer separation of amino alcohols was performed on several chiral columns based on polysaccharide derivatives under the mobile phase conditions containing acid or base additive. The chromatographic parameters were greatly influenced by the nature of the mobile phase containing acid or base additive as well as the used chiral columns. Compared to chromatographic results obtained in the mobile phase containing base additive (0.1% triethylamine), especially, Chiralcel OD showed dramatically enhanced separation factors and resolution factors with reduced capacity factors under the mobile phase condition containing acidic additive (0.1% trifluoroacetic acid). When the mobile phase containing 0.05% trifluoroacetic acid and 0.05% triethylamine was used on Chiralcel OD, the greatest separation factors and resolution factors among all other mobile phase conditions in this study were observed.
- keywords
- Enantiomer separation, chiral column, amino alcohols, liquid chromatography
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