Extraction of monoazo dyes by hydrophilic extractants from aqueous solutions

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The extraction of mono azo dyes E102, E122, E110, E124, E129 from aqueous solutions with hydrophilic solvents (alcohols, esters, ketones) and polymers (poly-N-vinylamides, polyethylene glycol) was studied. The main regularities of extraction are established. The distribution coefficients and degree of extraction of dyes was estimate. The influence of the nature of solvents and polymers on the extraction of dyes from aqueous solutions are established.

Monoazo dyes, extraction, hydrophilic solvents, water-soluble polymers

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