Abstract
Simple steam distillation, as a preconcentration step for the isotachophoretic determination of chlorophenols in river and industrial waste waters, was studied. The overall recoveries of the complete analytical method for pentachlorophenol, 2,4,5-trichlorophenol, 2,4-dichlorophenol and 2-chlorophenol were found to be 61.0–75.3% in the concentration range 0.02–0.05 mg l −1. The analytical procedure presented permitted to detect 0.010–0.015 mg l −1 of chlorophenols in waters. The time required for analysis was 15–20 min (not including steam distillation).
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