Hyperspectral imaging of irregular-shaped black microplastics in water Ana Gebejes, Hafiz Ramzan Mubarak, Dmitri Semenov, Arto Koistinen, Kai-Erik Peiponen and Matthieu Roussey EPJ Web Conf., 309 (2024) 10017 Published online: 31 October 2024 DOI: 10.1051/epjconf/202430910017