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Microplastics and Nanoplastics
Fig. 2 | Microplastics and Nanoplastics

Fig. 2

From: Hot or not: systematic review and laboratory evaluation of the hot needle test for microplastic identification

Fig. 2

Percent of correctly identified fibers in HNT 1 (N = 8 participants, different techniques combined) and HNT 2 (N = 6 participants, all use the same soldering iron technique) by material type according to expected response, with materials expecting to pass the hot needle test in A) synthetics and cellulose acetate in cigarette filters and fail in B) semi-synthetic and natural fibers

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