Figure 5. Weigh out 3 grams of cosmetic peeling in a permanent coffee filter (left) and transfer to the coffee pad machine (right). Then the sample is rinsed up to seven times until no more gel-like components of the peeling are present

From

Student Experiments on the Topic of Micro-plastics in the Environment for Secondary Education Level II: The Coffee Pad Machine Experiment and Sediment Analysis

Sarah Vortmann, Dominique Remy, Jörg Klasmeier, Marco Beeken

World Journal of Chemical Education. 2019, 7(2), 96-101 doi:10.12691/wjce-7-2-9