1.
Goldmann WM, Ahola J, Mankinen O, Kantola AM, Komulainen S, Telkki V-V, et al. Determination of Phenolic Hydroxyl Groups in Technical Lignins by Ionization Difference Ultraviolet Spectrophotometry (∆ε-IDUS method). Period. Polytech. Chem. Eng. [Internet]. 2017 Jan. 1 [cited 2024 May 3];61(2):93-101. Available from: https://pp.bme.hu/ch/article/view/9269