A comparative study on the influence of the type of acid used for 55Fe and 63Ni determination in steel samples through Liquid Scintillation CountingMaria Letizia Cozzella, Giada Gandolfo, Giovanna La Notte and Giuseppe Augusto MarzoEPJ Web Conf., 288 (2023) 07002DOI: https://doi.org/10.1051/epjconf/202328807002