TY JOUR TI AGGREGATIVE STABILITY OF AQUEOUS DISPERSE SYSTEMS BASED ON MAGNETITE KW magnetite KW colloidal solution KW aggregative stability KW pH KW zeta potential JO Bulletin of Belgorod State Technological University named after. V. G. Shukhov AU Avdusheva, M.A. AU Ayzenshtadt, A.M. PY 2019 IS 4 PB Belgorod State Technological University named after V.G. Shukhov