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Versatile and fast gas chromatographic determination of frequently used brominated flame retardants in styrenic polymers.

Journal of chromatography. A (2008-08-09)
Manfred Pöhlein, Raquel Urpi Bertran, Marion Wolf, Rudi van Eldik
ABSTRACT

Two versatile and fast methods to identify and quantify brominated flame retardants (BrFRs) in styrenic polymers were developed. Gas chromatography/mass spectrometry (GC/MS) as well as gas chromatography with electron-capture detection (GC/ECD), both following ultrasonic-supported dissolution and precipitation (USDP), were applied. The substance range includes poly-brominated biphenyls (PBBs) and diphenyl ethers (PBDEs), as well as other commonly used flame retardants (FRs), including two phosphate-based flame retardants. The methods were verified using congener standards and flame-retardant polymer samples. Good recoveries were found. Overall run time for the analysis, including sample preparation, is less than 60 min.

MATERIALS
Product Number
Brand
Product Description

Sigma-Aldrich
Diphenyl ether, ≥99%, FG
Sigma-Aldrich
Diphenyl ether, ReagentPlus®, ≥99%
Sigma-Aldrich
Diphenyl ether, ReagentPlus®, 99%
Supelco
Diphenyl ether, Selectophore, ≥99.9%