Tackling the Challenging Determination of Trace Elements in Ultrapure Silicon Carbide by LA-ICP-MS oleh Davide Spanu, Alessandro Palestra, Veronica Prina, Damiano Monticelli, Simone Bonanomi, Sandro Usseglio Nanot, Gilberto Binda, Laura Rampazzi, Gianluca Sessa, David Callejo Munoz, Sandro Recchia