Kurmangazhi, Gul’narkhan, Sagdat Tazhibayeva, Kuanyshbek Musabekov, and B. Zhakipbayev. 2018. “Parameters of Adsorption of Methylene Blue on the Magnetite-Flask Composite Surface”. Chemical Bulletin of Kazakh National University 88 (1), 10-15. https://doi.org/https://doi.org/10.15328/cb1002.