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Application of chemometrics in homolog-specific analysis of polychlorinated biphenyls

✍ Scribed by Onuska, F. I. ;Mudroch, A. ;Davies, S.

Publisher: John Wiley and Sons
Year: 1985
Tongue: English
Weight: 513 KB
Volume: 8
Category: Article
ISSN: 0935-6304
DOI: 10.1002/jhrc.1240081110

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✦ Synopsis

A principal components multivariable statistical method based on SlMCA 3B (Soft Independent Method of Class Analogy) algorithms was evaluated and applied to interpretation of homolog-specific analysis of polychlorinated biphenyls by high resolution gas chromatography. High resolution gas chromatograms can be evaluated in high resolution separations of individual PCB isomers and grouped into the homologousseries.

The chromatograms show distinct differences between PCB compositions with different contents of chlorine atoms in technical mixtures (Aroclors). The objective of utilizing SlMCA 3B was its evaluation for a possible identification, classification, and categorization of Aroclors in environmental samples.

Analytical quality control in environmental analysis of PCBs is a very difficult task because statistical evaluation of multivariate data obtained by high resolution gas chroma-

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