Vlasovskikh, N.S., Khamizov, R.K., Moroshkina, L.P., Krachak, A.N., Gruzdeva, A.N. and Khamizov, S.K. 2018. Acid Retardation method of separation for closed-circuit processing of alumina-containing raw materials with the use of salt-acid digestion. Sorbtsionnye i Khromatograficheskie Protsessy. 17, 6 (Feb. 2018), 877-885. DOI:https://doi.org/10.17308/sorpchrom.2017.17/448.