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Determinação de bifenilos policlorados em soro de cordão umbilical através de extração por hidrólise ácida seguida de cromatografia a gás acoplada a um microdetector de captura de elétrons
2011
Química Nova
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The present work describes the determination of polychlorinated biphenyls in 123 umbilical cord serum samples by liquid-liquid extraction method with acid hydrolyze step and analysis by GC-µECD. The analytical method was evaluated with following figures of merit for all PCBs: linearity (>0.997); precision (<12.55%); recoveries (73-119%); limit of detection (0.1 ng mL -1 ); limit of quantification (0.25-0.5 ng mL -1 ). The results showed high contamination in the analyzed samples. PCB more
doi:10.1590/s0100-40422011000300015
fatcat:uriwfi6gcvdxtneb74xwuourca