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Accurate analytical data for pharmaceutical dosage forms are dependent on adequate sample preparation and appropriate sample analysis methods. In addition, in order for the results to truly reflect the quality of the overall batch, the sample tested must be representative of the batch. Sampling is the first step and a critical aspect of the overall analysis process. Many analysts, however, are not...
A technique of using size exclusion chromatography (SEC) with the Corona charged aerosol detector (CAD) was developed and evaluated in comparison with refractive index (RI) and evaporative light scattering detection (ELSD) for fast screening of polyethylene glycol (PEG), a polymer used in preparing pegylated pharmaceutical compounds. These detection techniques were used in the analysis of multiple...
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