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Published:Journal of Chromatographic Science,
ISSN 0021-9665Volume
40, Number 6, July 2002, pp. 337-342
Quantitation of Trimethyl Amine by Headspace Gas Chromatography–Mass
Spectrometry Using a Base-Modified Column
David Bir and Kim Tutin
Georgia-Pacific Resins, Inc., 2883 Miller Rd., Decatur, GA
30035
Headspace gas chromatography–mass spectrometry (GC–MS)
has been successfully applied to the analysis of the highly volatile species
trimethyl amine (TMA). TMA quantitation in fiberglass insulation resins (ultimately
used by the automotive and building products industries) is of interest because
of its highly odoriferous nature. The release of TMA from fiberglass insulation
products is the principal component responsible for the “fishy” odor
encountered in automobiles. Currently, the industry standard for the analysis
of TMA involves injecting an aqueous insulation extract into the GC–MS
equipped with a polyethylene glycol column. Several problems inherent in this
analysis prohibit consistent performance and enhance the possibility for wide
variations in the quantitative results. This article reports the development
of a new approach to the quantitation of TMA from fiberglass insulation between
the levels of 1 and 150 ppm.
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