Reshetnyak, E.A., Shevcehnko, V.N., Pastushkina, I.O., Zagrevsky, P.M., Bondarenko, Y.A., Vlasova, I.V. and Ostrovskaya, V.M. 2013. Separate sorption-spectroscopic determination of Pb(II), Mn(II), Co(II), Ni(II), Cd(II), Cu(II), Zn(II) in their mixture using the reagent indicator paper. Kharkiv University Bulletin. Chemical Series. 22 (Dec. 2013), 210-219. DOI:https://doi.org/10.26565/2220-637X-2013-22-25.