FIELD: sorbents. SUBSTANCE: materials sorbing heavy metals (including radionuclides) are manufactured by treating cotton or flax fabrics or nonwoven cotton or flax materials with dimethylformamide/orthophosphoric acid/urea mixture at ratio of material to be treated to formaldehyde from 0.5:100 to 5:100. EFFECT: increased sorption productivity. 1 tbl, 7 ex
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