Abstract
Abstract A method for the detection of chloroanisoles in soy oil utilizes partitioning between petroleum ether and acetonitrile followed by column chromatography on activated alumina. The eluate from the column, after treatment with concentrated sulfuric acid, is analyzed by electron capture gas-liquid chromatography. Recoveries from a 2 g sample of soy oil fortified at 0.01–1.0 ppm were 85–103% for pentachloroanisole, 82–99% for 2,3,4,6-tetrachloroanisole, and 75–96% for 2,4,6-trichloroanisole. Recoveries from samples fortified at 0.1–1.0 ppm were 83–99% for 2,4,5-trichloroanisole, 67–85% for 2,6-dichloroanisole, and 78–99% for 2,4-dichloroanisole.
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