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MicroSolv manufactures HPLC columns, autosampler vials for HPLC & GC, syringe filters, fittings and accessories and small bore tubing. CE, TLC, Flash Chromatography and OPLC are also available. Separation sciences leaders.

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Reference Number: AA-00815 Created: 05/17/2012 05:20 PM Last Updated: 07/12/2013 01:46 PM

Impurities Method with Improved Peak Shape 


Celecoxib is separated from an impurity in this simple gradient method. The peak shape obtained for the API is excellent and shows good peak symmetry. In addition, the method shows good repeatability from run to run. The API retention time %RSD from five runs was 0.025%. The five run overlay chromatogram is shown in Figure A. Figure B shows a zoom-in view so that the impurity peak can be seen clearly. Another benefit of the method is that the mobile phase is MS-compatible.

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