Research Article
Compound-Specific Chlorine Isotope Analysis of Organochlorine Pesticides by Gas Chromatography-Negative Chemical Ionization Mass Spectrometry
Table 3
Results of groundwater samples.
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Note: the analytical concentration of samples was 0.50 mg L−1 (diluted or concentrated). Results were acquired from five replicated injections. Compounds: α-hexachlorocyclohexane (α-HCH) and 2, 2-dichloro-1, 1-bis (4-chlorophenyl) ethylene (p, p′-DDE). |