INSTALLATION FOR CARRYING OUT LIQUID-PHASE MICROEXTRACTION CONCENTRATION OF IMPURITIES FROM AQUEOUS SOLUTIONS WITH ELECTROFLOTATION DEMULSIFICATION WITH AN EXTRACTANT WITH A DENSITY LOWER THAN THAT OF WATER, AND A METHOD CARRIED OUT USING THIS INSTALLATION Russian patent published in 2022 - IPC C02F1/465 

Abstract RU 2783285 C1

FIELD: chemistry.

SUBSTANCE: inventions group relates to the field of chemistry, to the study or analysis of substances by determining their chemical properties. The installation contains a demulsification tank, which is a hollow cylindrical ampoule with a closed lower part and a cone-shaped upper part, smoothly passing into a capillary for collecting the extract, electrodes made of conductive material, twisted into a spiral, hermetically built into the demulsification tank in such a way as to exclude contact electrodes to each other. On the side surface of the demulsification container, a side capillary is formed in the form of an L-shaped tube, made with a diameter smaller than the diameter of the demulsification container, the upper edge of which is located at a level not lower than the level of the upper edge of the capillary for extract collection. The installation also includes electrodes connected to a direct current source and a magnetic stirrer connected to an alternating current network.

EFFECT: lowering the detection limit of analytes in aqueous solutions, increasing the speed of impurity concentration and automating the process of breaking emulsions.

6 cl, 2 dwg, 2 tbl, 2 ex

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RU 2 783 285 C1

Authors

Krylov Valentin Alekseevich

Mosiagin Pavel Valerevich

Dates

2022-11-11Published

2021-12-10Filed