Figure 2 | Scientific Reports

Figure 2

From: Optical photothermal infrared spectroscopy with simultaneously acquired Raman spectroscopy for two-dimensional microplastic identification

Figure 2

Normalized Raman spectra from 250 to 1800 cm−1 of different plastics: polyethylene (PE) (a), polypropylene (PP) (b), polyvinyl chloride (PVC) (c), polyethylene terephthalate (PET) (d), polycarbonate (PC) (e), polystyrene (PS) (f), silicone (g), polylactide acid (PLA) (h) and polymethylmethacrylate (PMMA) (i) collected with the standalone Raman system (blue) and the simultaneous Raman option of the O-PTIR instrument (red).

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