Abstract
ABSTRACT Solid bed extraction technique as an efficient analytical method was exploited for developing a one step process of extraction and separation of organic pollutants; polychlorinated biphenyls and Hexachlorohexane, PCBs and HCH, respectively, from sediment/soil samples. The method was established using partition chromatography through 12% deactivated alumina column serially connected to 2% deactivated silica column. The extraction method was applied for the analysis of mixed standard PCB and HCH in different types of simulated contaminated samples; fortified sea sand and deutated soil samples. This method allows analysis of these contaminants in sediments at trace levels as low as 1.0 μg/g for PCBs and HCHs with a percent recovery range 98–120%. HCH was fully isolated from the PCBs using different eluent.
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