Research Sorption of Barium and Strontium Inorganic Sorbents and Opportunity Elemental Surface Analysis Methods Sorbents Photonuclear Journal title: Фізика і хімія твердого тіла Authors: V.A. Pylypchenko, G.V. Vasileva, I.I. Haysak, V.I. Yakovlev, Yu.M. Kylivnyk, M.M. Tsyba Subject(s):