[Characterization of napropamide enantiomers by CD and determination of the enantiomeric ratios in water].
Sheng-Wen Chen, Xi-Yun Cai, Meng Xi, An-Ping Zhang, Wei-Ping Liu
Index: Guang Pu Xue Yu Guang Pu Fen Xi 26(9) , 1649-52, (2006)
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Abstract
The enantiomers of napropamide were separated by normal phase HPLC (HPLC: high performance liquid Chromatography) with Chiralpak OJ-H column and charactered by circular dichroism. On this basis, a method for the chiral separation and micro-determination of napropamide in water was established. The linearity of calibration curve for racemic mixture was 10-100 ng x mL(-1) and the correlation coefficient was 0. 99. When 10 microL was injected, the detection limit of racemic mixture was 8 ng mL(-1), and the detection limits of both enantiomers were 4 ng x mL(-1).
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