Abstract
1,3-Butadiene is a colorless gas with a mild, aromatic odor. It is produced worldwide on a large industrial scale. The aim of this study was to develop and validate a method for determining concentrations of 1,3-butadiene in workplace air. The determination method is based on the adsorption of 1,3-butadiene on activated charcoal (200/50 mg sections), desorption with carbon disulfide and the analysis of the resulting solution with gas chromatography with flame ionization detection (GC-FID). A capillary column Rtx-5ms (60 m × 0.32 mm, i.d. × 0.25 μm film thickness) was used. The method is linear within the working range from 0.98 µg/ml to 19.6 µg/ml, which is equivalent to air concentrations from 0.22 to 4.36 mg/m3 for a 4.5-L air sample. The analytical method described in this paper enables selective determination of analytes in workplace air in presence of coexisting substances. The method is precise, accurate and it meets the criteria for procedures for measuring chemical agents listed in Standard No. EN 482. The method can be used for assessing occupational exposure to 1,3-butadiene and associated risk to workers’ health. The developed method of determining 1,3-butadiene has been recorded as an analytical procedure (see appendix).
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