%0 conference lecture (invited) %@ %A Pröfrock, D., Hildebrandt, L., El Gareb, F., Nack, F., Zimmermann, T., Klein, O. %D 2022 %J Analytic Conference %T ICP-MS/MS and LDIR as complementary technique in small micro- and nanoplastic Research - From method optimization to the study of environmentally relevant polymers as vector for trace metals %U %X