Effect of injection of inorganic dispersed oxides tin (IV) and ferrum (III) in the matrix of the anion exchanger Dowex SBR-P on the sorption capacity with respect to the anions of arsenic (V) - E. A. Kolomiets; V. N. Beljakov; A. V. Palchik; T. V. Maltseva; N. V. Stefanjak (Ukrainian Chemistry Journal, 2014)