High-resolution measurements of particles are of great interest in many fields of application. WITec’s ParticleScout is an analysis tool for the alpha300 Raman microscope series that surveys, categorizes, analyzes, quantifies and identifies particles over even large sample areas. Automated routines sort particles and acquire their Raman spectra, generating a report that provides a detailed overview of the sample.
Pollen, dust, flour, metal flakes and pigments in paints, titanium dioxide in sunscreen and toothpaste, fat crystals in food emulsions – these and many more substances in our daily lives contain or consist of microparticles. Recently, the public and scientific community have directed their attention toward microplastic particles in the environment.
Confocal Raman microscopy is ideally suited to finding, classifying and identifying microparticles because not only does it yield images with a resolution down to 300 nm, but with Raman vibrational spectroscopy the chemical components of a sample can be identified. It is a nondestructive method that requires little, if any, sample preparation. A Raman microscope can generate high-resolution images that show both the structural features and distribution of molecules within a sample.
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