KAMBATYROV, Maksat; ABDURAZOVA, Perizat; NAZARBEK, Ulzhalgas; RAIYMBEKOV, Yerkebulan. Infrared Spectroscopic Study of the Mechanisms of Humic Acid Precipitation in Aqueous Acid Solutions. Engineering, Technology & Applied Science Research, Greece, v. 15, n. 3, p. 23527–23536, 2025. DOI: 10.48084/etasr.10976. Disponível em: https://etasr.com/index.php/ETASR/article/view/10976. Acesso em: 6 jun. 2026.