FIELD: analytical chemistry.
SUBSTANCE: concentration of dichlorophenoxycarboxylic acids and their metabolites from aqueous media. The plant is a vertically installed glass column with a height of 30 cm and an internal diameter of 1.2 cm with three-way taps located at the top and bottom. The column is connected to 2 containers via silicone tubes. One container is filled with a suspension of magnetic active carbon from rice husks or sunflower husks, and the second is filled with the analyzed solution. In the middle of the column, on both sides, two neodymium magnets with metal cones are installed radially, they can move away and approach the column, creating a magnetic field to hold the magnetic carbon.
EFFECT: increasing the degree of extraction and increasing the concentration factor.
1 cl, 2 tbl, 1 dwg
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