The uptake of plutonium from model solution of boric acid labelled with239Pu by natural sorbents was studied. The range of pH of solution was from 5.1 to 8. For the uptake of Pu were used different
natural and chemically modified natural sorbents of different mineralogical composition and from different deposits. The distribution
coefficients for plutonium uptake were calculated and the best conditions for uptake were evaluated.