Determination of non-ortho polychlorinated biphenyls in environmental Standard Reference Materials.

Autor: Brubaker WW Jr; Analytical Chemistry Division, National Institute of Standards and Technology, Gaithersburg, MD 20899-8392, USA., Schantz MM, Wise SA
Jazyk: angličtina
Zdroj: Fresenius' journal of analytical chemistry [Fresenius J Anal Chem] 2000 Jul; Vol. 367 (5), pp. 401-6.
DOI: 10.1007/s002160000438
Abstrakt: The concentrations of three non-ortho ("coplanar") polychlorinated biphenyls, 3,3',4,4'-tetrachlorobiphenyl (IUPAC PCB 77), 3,3',4,4',5-pentachlorobiphenyl (IUPAC PCB 126), and 3,3',4,4',5,5'-hexachlorobiphenyl (IUPAC PCB 169), were determined in five NIST Standard Reference Materials (SRMs) of environmental and biological interest. The measured levels were approximately between (0.2 to 1.3) ng/g in SRM 1588a (Organics in Cod Liver Oil), (0.3 to 9) ng/g in SRM 1944 (New York/New Jersey Waterway Sediment), (0.2 to 0.4) ng/g in SRM 1945 (Organics in Whale Blubber), (1 to 18) ng/g in SRM 2974 (Organics in Freeze-dried Mussel Tissue [Mytilus edulis]), and (0.1 to 0.4) ng/g in candidate SRM 1946 (Lake Superior Fish Tissue). PCB 169 was present at < 0.1 ng/g in SRMs 1944 and 2974.
Databáze: MEDLINE
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