Fig. 1
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Images acquired with Valmet FS5 UHD device for different samples in water including (a) PA particles, (b) PP particles, and (c) LDPE particles. (d) Zoomed-in and enhanced image of a microplastic particle from (c) (red contour). Red arrows in (d) highlight bright “lensing” areas in the microplastic particle. Black arrows in (d) highlights a hole in the MP. (e) Air bubbles on a PET MP. (f) Procedure to image and recognize MPs in a water sample.
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