FIELD: chemistry.
SUBSTANCE: invention refers to materials used for sorptive palladium recovery from solutions. Silica is modified with 3-[2-(2-hydroxyethylthio)-1-hydroxyethoxy]-propyltriethoxylane dissolved in benzene, while palladium is sorbed from acidic chloride solutions on prepared sorbent thereafter eluted with thiourea solution.
EFFECT: invention allows for quantitative and selective palladium ion recovery from composite solutions.
4 cl, 2 tbl, 5 ex
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