The kinetic evaluation of the accelerated aging of polypropylene and polyethylene as a tool for the classification of microplastics origin - Olivatto, Glaucia Peregrina; Rocha, Daniela Fogaça; Rossi, Monica Lanzoni; Paoli, Marco Aurélio de; Montagner, Cassiana Carolina; Tornisielo, Valdemar Luiz (International Symposium on Toxicity Assessment, 2019)