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aromatic hydrocarbon |
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aromatic hydrocarbon [¦ar·ə¦mad·ik ¦hī·drə′kär·bən] (organic chemistry) A member of the class of hydrocarbons, of which benzene is the first member, consisting of assemblages of cyclic conjugated carbon atoms and characterized by large resonance energies. Also known as arene. How to thank TFD for its existence? Tell a friend about us, add a link to this page, add the site to iGoogle, or visit webmaster's page for free fun content. |
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| The EU has, with directive 2005/69/EC, applied an amendment to directive 76/769/EEC, which prohibits the placing of polyaromatic hydrocarbon-rich tire extender oils or tires containing these oils on the EU market from January 1, 2010. Although employing carbon dots would avoid the use of toxic metal ions, Strano notes, it's not yet clear whether the carbon nanoparticles are graphite, which is stable, or an amorphous form of carbon, which might contain carcinogenic polyaromatic hydrocarbons. Biomass combustion releases smoke that contains particulate matter (PM), CO, nitrogen oxides, formaldehyde, and polyaromatic hydrocarbons (Boman et al. |
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