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  • Bioaccumulation of toxic chlororganic compounds and their isomers into the organism of Baltic grey seal.

Bioaccumulation of toxic chlororganic compounds and their isomers into the organism of Baltic grey seal.

Chemosphere (1997-09-23)
O Roots, A Talvari
PMID9297788
ABSTRACT

A comparison of PCB (polychlorinated biphenyls) contents of biota in different areas of the Baltic Sea suggests the northern part of the Gulf of Riga and Väinameri Sea (Estonian coastal water) as reference area for the Baltic Sea. The concentrations for two most important PCB isomers IUPAC 138 and 153 in the blubber of 2-6 year old grey seals (Halichoerus grypus) varied from 2,3-4,1 mg/kg (extractable fat) and from 2,9-5,2 mg/kg (extractable fat) respectively.

MATERIALS
Product Number
Brand
Product Description
BCR296
2,2′,3,4,4′,5′-Hexachlorobiphenyl (IUPAC No. 138), BCR®, certified reference material
36903
Supelco
PCB No 138 solution, 10 μg/mL in isooctane, analytical standard
35494
Supelco
PCB No 138, analytical standard