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Gas chromatographic characteristics of chlordane:II. Observed compositional changes of the pesticide in aqueous and non-aqueous environments

Journal of Chromatography A
Publication Date
DOI: 10.1016/s0021-9673(01)80586-0
  • Chemistry


Abstract Studies were made on the vaporization and adsorptive properties of chlordane when the pesticide was exposed to water and organic solvent environments. Within thirty days of exposure to water, the heptachlor component of chlordane was completely changed to 1-hydroxychlordene. Over a period of sixty days, water adsorbed increasing amounts of vaporized chlordane; the α-chlordane, γ-chlordane and nonachlor components of the pesticide were markedly stable. No apparent chemical changes in the pesticide were observed when it was exposed to an isooctane environment for an equivalent period of time; the more volatile components of chlordane were adsorbed to a greater degree in the organic solvent. Hexachlorocyclopentadiene, a component of chlordane, dissipated or degraded, with time, in water solution. However, in an organic solvent environment, this chemical displayed multi-component characteristics. Gas chromatography was used to observe the changes in the characteristics of the pesticide, with time, in aqueous and non-aqueous media.

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