Processing of serpentenites of the Arvaten deposit of Uzbekistan with the use of ammonium sulphateTuychi Pirimov, Shafoat Namazov, Atanazar Seytnazarov, Uktam Temirov and Najmiddin UsanboyevE3S Web of Conf., 402 (2023) 14034DOI: https://doi.org/10.1051/e3sconf/202340214034