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The document describes a study that developed a UV differential spectrophotometric method to determine the amount of vitamin B6 (pyridoxine hydrochloride) in two-component pharmaceutical preparations also containing various magnesium compounds. The method was compared to a reference high performance liquid chromatography (HPLC) method. Derivative spectroscopy was found to significantly correct errors from overlapping background peaks caused by the presence of magnesium compounds, allowing accurate quantific

Author

thu

Language

EN