congener


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congener

[′kän·jə·nər]
(chemistry)
A chemical substance that is related to another substance, such as a derivative of a compound or an element belonging to the same family as another element in the periodic table.
References in periodicals archive ?
As expected, the different PCB congener groups were highly intercorrelated, reflecting the inclusion of many of the same congeners (range of r = 0.
We calculated the regression coefficient ([beta]) for each congener from all concentration data > LOD.
We calculated the potency of a congener relative to TCDD using the dose or concentration [benchmark response (BMR)] needed for a congener to reach 20% of the TCDD response ([BMR.
Caption: In a study of 33 commercially available paint pigments, (6) Hu and Hornbuckle depicted PCB profiles for two specific yellow pigments as well as the frequency of congener detection across all 15 samples in which PCBs were detected (above).
Until 2005, the predominant chemical flame retardant used to comply with TB 117 was pentaBDE (comprising congeners BDEs 47, 99, 100, and 153).
For the former approach, concentrations of congener i in 2005 and 2010 ([C.
In a previous birth cohort study conducted in Menorca, Spain, evidence of confounding by other OCs was not found, perhaps because the correlation between postnatal BDE-47 (the only congener assessed in the previous study) and the different OCs was very low (Gascon et al.
The use and incineration of PCP and creosote-treated wood products creates highly chlorinated dioxin and furan congeners, such as the signature congeners octa-chlorinated dibenzo-p-dioxin (OCDD) and 1,2,3,4,6,7,8-hepta-chlorinated dibenzo p-dioxin (1,2,3,4,6,7,8-HpCDD) (ATSDR, 2001; Dahlgren, Warshaw, Horsak, Parker, & Takhar, 2003; Dahlgren et al.
The congener PBDE-47 was abundant in all samples except Ahja-1964 in which only PBDE-100 was detected.
10](x+1) transformed count of seeds matured/plant were evaluated for each congener using multiple regression.
We report here only the finding of congener 2,3,7,8 TCDD from seven of the on-site samples.