00729naa#a2200181#i#450# EN\\bibl\12642 20250417105435.4 20241024b2024####ek#y0engy0150####ca RU ANALYSIS OF THE USE OF BIOCHAR TO PURIFY WATER FROM FORMALDEHYDE Conference article/thesis Voronezh FSBE Institution of Higher Education Voronezh State University of Forestry and Technologies named after G.F. Morozov 2024 5 с. Conference article/thesis local Хроматографический анализ. Хроматография. 543.544 Khodosova Nataliya Anatol'evna Tomina E. V. Manukovskaya V. E. bibl.vgltu.ru