Pourreza, N., H. Parham, and S. Cheraghi. “Kinetic-Spectrophotometric Determination of Trace Amounts of Formaldehyde Based on Its Catalytic Effect on Oxidation of Neutral Red in Acidic Media”. Asian Journal of Chemistry 16, no. 3 (June 10, 2016): 1605–1610. Accessed July 23, 2024. https://asianpubs.org/index.php/ajchem/article/view/14392.