Chemical composition determination of impurities and effect on the toxicity degree of solar panel componentsIrina Vezhenkova, Margarita Semenova, Alla Kovalevskaya, Artem Gryaznov, M. Rocio Rodríguez-Barroso and Rafael Jimenez CastañedaE3S Web Conf., 220 (2020) 01057DOI: https://doi.org/10.1051/e3sconf/202022001057