Tošić, Snežana B., Snežana S. Mitić, Aleksandra N. Pavlović, Emilija T. Pecev-Marinković, Danijela A. Kostić, and Sofija M. Rančić. 2019. “Analytical Application of the Reaction System Disulphonated Hydroquinone-Hydrogen Peroxide for the Kinetic Spectrophotometric Determination of Iron Traces in Acidic Media”. HEMIJSKA INDUSTRIJA (Chemical Industry) 73 (6): 387-96. https://doi.org/10.2298/HEMIND190704032T.