Cleaning talc samples from iron-containing mineralsAzizbek Normurodov, Feruz Badalov, Dilshod Asabayev, Mirmukhsin Botirov, Ergash Jabborov and Umidjon KhujamovE3S Web Conf., 627 (2025) 01007DOI: https://doi.org/10.1051/e3sconf/202562701007