Volume 91 Issue 46 | p. 27 | Concentrates
Issue Date: November 18, 2013

Greenhouse Gases Keep Popping Up

Perfluoroalkylamines, largely uncharacterized in the atmosphere, are potent long-lived greenhouse gases that bear watching, researchers say
Department: Science & Technology
News Channels: Environmental SCENE, Analytical SCENE
Keywords: global warming, greenhouse gas, fluorocarbons, CFCs

Many halogenated compounds have properties that make them useful as refrigerants and fire suppressants. But these same properties often make the compounds long-lived in the atmosphere, where they act as greenhouse gases and in some cases interfere with Earth’s protective ozone layer. A research team led by Scott A. Mabury of the University of Toronto has found that one previously unexplored molecule, perfluorotributylamine (PFTBA), which is used in electronics testing and as . . .

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