The total HCB (14C-radiolabeled and non-radiolabeled).Concentration was quantified by 14C-HCB concentration.And the ratio of 14C-HCB to non-radiolabeled HCB spiked.To the sediments. This technique is a widely used valid.Approach (Kan et al, 1998). The 14C-activity in supernatant.Water sample extracts of, Tenax membrane and trap,,Solution after sediment combustion were measured using.A Beckman Coulter LS 6000 series liquid scintillation counter.Beckman Coulter (,,,) Fullerton CA USA after proper.Amount of ScintiSafe Plus 50% (VWR International West,,,, Chester PA USA) was mixed into each sample.
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