TY JOUR TI Studies on the efficiency of water purification from heavy metal ions using magnetite obtained from technogenic waste KW analysis of variance KW regression analysis KW magnetite KW iron-containing waste KW heavy metal ions KW adsorption JO From Chemistry Towards Technology Step-By-Step AU Kopylova, V.E. AU Kalaev, R.E. AU Kalayeva, S.Z. AU Markelova, N.L. AU Gennadyeva, A.M. AU Soloviev, M.E. PY 2022 IS 3 PB Yaroslavl State Technical University