ORIGINAL ARTICLE
Analysis of some older Scandinavian formulations of 2,4-dichlorophenoxy acetic acid and 2,4,5-trichlorophenoxy acetic acid for contents of chlorinated dibenzo-p-dioxins and dibenzofurans.
Publication date: 1979-12-01
Scand J Work Environ Health 1979;5(4):375-378
KEYWORDS
gas chromatographymass spectrometryScandinaviachlorinated dibenzo-p-dioxin5-trichlorophenoxy acetic acid4-dichlorophenoxy acetic acidchlorinated dibenzofurandioxin analysisglass capillary column
ABSTRACT
Ten samples of older formulations of 2,4,5-trichlorophenoxy acetic acid and 2,4-dichlorophenoxy acetic acid used in Sweden were analyzed for chlorinated dibenzo-p-dioxins and dibenzofurans. The analyses were performed with gas chromatography/mass spectrometry with a high resolution glass capillary column for maximum isomeric separation and sensitivity. The detection limit was 0.01-0.05 ppm. The amounts of contaminants were of the same order of magnitude as that found earlier in European samples with later production dates (late 1960s and 1970s).
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| eISSN: | 1795-990X |
| ISSN: | 0355-3140 |
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