2023
DOI: 10.3390/cryst13101485
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Semiquantitative X-ray Powder Diffraction Analysis in Counterfeit Medicines Investigation—The Viagra Example

Armand Budzianowski,
Karolina Pioruńska-Sędłak,
Magdalena Popławska
et al.

Abstract: Have you ever looked at a powder diffractogram during a routine qualitative test and wondered how much of a particular powder compound is in the powder material? Several methods can work this out, but none of them could be used in our case because something was missing from each in performing a rapid quantity test for an active ingredient in a tablet. A semiquantitative method of an X-ray powder diffraction analysis of products containing sildenafil citrate is proposed. This method utilizes calibration curves … Show more

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