FIELD: chemistry; oil industry.
SUBSTANCE: invention relates to a method of determining organochlorine compounds in oil, which includes oil washing, use of a solution of sodium biphenyl in toluene, in which a solution of sodium biphenyl in toluene is added to the washed oil fraction, mixed, adding a polymethacrylate matrix with an immobilized complex of diphenylcarbazone with mercury (II), quantitative content of organochlorine compounds in the initial sample is determined from the results of measurements of light absorption of the colored complex at wavelength of 550 nm, using a calibration curve, or by visual assessment of the intensity of the color of the polymer matrix.
EFFECT: simple, express, environmentally safe method of determining organochlorine compounds in oil.
1 cl, 1 tbl, 3 ex, 3 dwg
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