Muzdybaeva, S., & Muzdybaeva, S. (2012). Colloid-chemical purification of mine water of polymetallic ion field from ions of heavy metals (Cu2+, Pb2+, Cd2+, Zn2+). Chemical Bulletin of Kazakh National University, 65(1), 305-308. https://doi.org/https://doi.org/10.15328/chemb_2012_1305-308