This Application Bulletin compares the unique focusing technology of the portable Metrohm Raman system "Mira" with conventional methods. The method described here is called Orbital Raster Scan (ORS). Experiments show the advantages of ORS technology, using determination and quantification of medicines as an example. It improves the reproducibility of the Raman signals from targeted, active, pharmaceutical ingredients (APIs) in effervescent, cold medicines. Shorter analysis times and an improved, consistent assignment of spectra of the known medicine with the help of a spectral library are further advantages of ORS technology.


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