[1]
M. J. Kharodawala and A. K. Rana, “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, vol. 15, no. 3, pp. 1246–1250, Mar. 2010.