ArticleAnalytical chemistry2026
VOC Emission Screening of Consumer Products in Microchambers: Comparison of Online PTR-MS and Offline TD-GC-MS Analysis.
Article in Analytical chemistry, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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Abstract
Emissions of volatile organic compounds (VOCs) from consumer products into the indoor air can lead to the inhalation exposure of consumers to potentially hazardous chemicals. This investigation compared two analytical approaches to quantitatively screen VOC emissions from consumer products. A microchamber was used to examine the emissions of two selected products─a rain poncho and a skipping rope─under controlled conditions (temperature, air change rate), with a focus on the initial short-term emissions. Volatiles were sampled from the chamber either on sorbent tubes, with subsequent offline analysis by thermal desorption-gas chromatography-mass spectrometry (TD-GC-MS), or with online analysis by proton transfer reaction-mass spectrometry (PTR-MS). The products emitted several compounds of toxicological relevance, including cyclohexanone, xylene, phenol, isophorone, and naphthalene. Data from the two approaches yielded similar emission curves for most compounds, with maximum concentrations observed within 30 min. Isophorone exhibited the highest peaks, with concentrations of ∼1.2 mg m
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