%0 Journal Article %T Investigation of some physical and chemical properties of nepheline concentrate based silicon sorbents %A Velyaev, Y.O. %A Maiorov, D.V. %K amorphous silicon dioxide, nepheline, sorption, BET surface area, porous structure %J Russian Journal of Biological Physics and Chemisrty %D 2020 %N 5 %P 4 %I Federal State Educational Institution of Higher Education Sevastopol State University