KHUHAWAR, M.Y., and G.M. ARAIN. “Liquid Chromatographic Determination of Cobalt(II), Nickel(II) and Silver(I) Using 6-Methyl-2-Pyridine Carboxaldehyde Isonicotinoyl Hydrazone As Derivatizing Reagent”. Asian Journal of Chemistry 19, no. 2 (March 30, 2010): 1319–1328. Accessed November 29, 2024. https://asianpubs.org/index.php/ajchem/article/view/20249.