Application of Infrared Spectroscopy and X-Ray Powder Diffractometry for Assessment of the Qualitative Composition of Components in a Pharmaceutical Formulation
Maryna Stasevych, Viktor Zvarych, Mykhailo Dronik, Martyn Sozanskyi, Semen Khomyak
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Abstract
A qualitative assessment of a new four-component pharmaceutical composition has been carried out using the methods of infrared spectroscopy and X-ray powder diffractometry. Qualitative characteristics for the identification of mixture components by absorption bands in infrared spectra and characteristic peaks by positions on the scattering angle 2θ scale in diffractograms were determined. It was experimentally confirmed that the quantitative content of benzocaine and procaine hydrochloride in the mixture without diclofenac sodium decreased by two times compared to their content in the mixture with it. Original infrared spectra and X-ray diffractograms of the new pharmaceutical composition with diclofenac sodium, which can be used for its identification, are presented.
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