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Continue to ChatColourimetric solid-phase extraction coupled with fibre optic reflectance spectroscopy for determination of ascorbic acid in pharmaceutical formulations - https://avesis.istanbul.edu.tr/yayin/53d62f94-2ea6-4ef1-b6cf-f88527c2dcc4/colourimetric-solid-phase-extraction-coupled-with-fibre-optic-reflectance-spectroscopy-for-determination-of-ascorbic-acid-in-pharmaceutical-formulations