“Potentiometric Determination of Methionine in Alkaline Solutions by Used Nafion and MF-4SC Membranes Treated and Modified”. Sorbtsionnye i Khromatograficheskie Protsessy 18, no. 2 (April 9, 2018): 150–159. Accessed April 3, 2026. https://journals.vsu.ru/sorpchrom/article/view/494.