Limitations in the use of nickel boride dechlorination for the analysis of polychlorinated biphenyls

Determination of PCBs in environmental samples is fraught with many problems. Perchlorination and dechlorination techniques are frequently used as cleanup procedures, but these are often unreliable. A nickel boride dechlorination method was demonstrated whereby a precipitate of nickel boride is prod...

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Bibliographic Details
Published in:Bulletin of environmental contamination and toxicology 1986-08, Vol.37 (2), p.199-206
Main Authors: Seymour, M.P, Jefferies, T.M, Notarianni, L.J
Format: Article
Language:English
Subjects:
AIR POLLUTION
ANALISIS
ANALYSE
ANALYSIS
Analytical chemistry
Boranes
Catalysis
Chemistry
Chromatographic methods and physical methods associated with chromatography
COMPOSE ORGANOCHLORE
COMPUESTO ORGANICO DEL CLORO
CONTAMINACION DEL AIRE
Exact sciences and technology
Gas chromatographic methods
NICKEL
NIQUEL
ORGANOCHLORINE COMPOUNDS
POLLUTION ATMOSPHERIQUE
Polychlorinated Biphenyls - analysis
Spectrophotometry, Ultraviolet
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Summary:Determination of PCBs in environmental samples is fraught with many problems. Perchlorination and dechlorination techniques are frequently used as cleanup procedures, but these are often unreliable. A nickel boride dechlorination method was demonstrated whereby a precipitate of nickel boride is produced in situ. This congener-specific analytical technique was demonstrated in 15 experiments employing capillary gas chromatography. More accurate and meaningful data are generated with this approach, compared with conventional dechlorination methods.
ISSN:0007-4861
1432-0800
DOI:10.1007/BF01607750