Rezaie, B., Goswami, A., & Purohit, D. (2010). Direct Spectrophotometric Determination of Vanadium with 3-hydroxy-3-phenyl-1-p-carboxyphenyltriazene . Asian Journal of Chemistry, 6(1), 187–188. Retrieved from https://asianpubs.org/index.php/ajchem/article/view/24515