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Non-Destructive Pill Sorting Using NIR Spectroscopy
Ensuring the correct identity and composition of pharmaceutical pills is critical—but traditional verification methods often require destroying the product. In this Spectra of the Month study, we demonstrate how near-infrared (NIR) spectroscopy can be used as a fast, non-destructive solution for pill sorting in a production-style environment. Using aspirin and ibuprofen tablets with nearly identical appearances, our setup successfully identified an outlier pill in real time based solely on its NIR spectral signature.
This experiment highlights how NIR spectroscopy can deliver the speed, precision, and repeatability required for modern pharmaceutical sorting applications—without compromising the integrity of the medication.