Environmental chemistry of substitutes for polychlorinated biphenyls. I. Composition and properties of an alkylchlorobiphenyl product.
The composition of a technical alkylchlorobiphenyl mixture, proposed as a substitute for polychlorinated biphenyls, has been investigated by spectral and chromatographic methods. Gas-liquid chromatography-mass spectrometry revealed the presence of a large number of biphenyls substituted with 2-3 chlorine atoms and 0-4 isopropyl groups. The mixture was dechlorinated as a first step toward structure elucidation of the individual components. The behavior of the alkylchlorobiphenyls during analytical cleanup steps such as thin layer chromatography and chromic acid oxidation was also investigated.
D000478:Alkylation; D002849:Chromatography, Gas; D002855:Chromatography, Thin Layer; D008722:Methods; D010084:Oxidation-Reduction; D011078:Polychlorinated Biphenyls / Q000032:analysis*
D011078:Polychlorinated Biphenyls