J. Kharodawala M, K. Rana A. Study on 4-Formyloxime-3-Methyl-1-(2´ ,4´ -Dinitrophenyl)-2-Pyrazolin-5-one as a Gravimetric Reagent for Co(II), Ni(II) and Cu(II) . ajc [Internet]. 2010 Mar. 30 [cited 2024 Aug. 26];15(3):1246-50. Available from: https://asianpubs.org/index.php/ajchem/article/view/21798