Recoveries of organochlorine compounds (polychlorinated biphenyls, polychlorinated dibenzo-p-dioxins and polychlorinated dibenzofurans) in water using steam distillation-solvent extraction at normal pressure
1995; Elsevier BV; Volume: 690; Issue: 2 Linguagem: Inglês
10.1016/0021-9673(94)00983-g
ISSN1873-3778
AutoresLourdes Ramos, Gracia Patricia Blanch, Luís Hernández, María José González,
Tópico(s)Water Treatment and Disinfection
ResumoA simultaneous steam distillation-solvent extraction (SDE) procedure was used for determining polychrlorinated biphenyls, polychlorinated dibenzo-p-dioxins and polychlorinated dibenzofurans (PCBs, PCDDs and PCDFs) at sub-ppb levels in water samples. Recoveries of 39.8–138.7% and a standard deviation of lower than 10% were achieved for the individual coplanar PCB and the 2,3,7,8-substituted PCDD/F congeners. SDE is a fast, clean, inexpensive and reproducible procedure for the determination of individual PCBs, PCDDs and PCDFs in waters at very low concentrations.
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