N-Nitroso Compounds: Evidence for Their Presence in Airborne Particles

Chemical, infrared, and thermal energy analyses have provided evidence for the presence of the N-nitroso functional group in extracts of airborne particles. The total molar N-nitroso concentrations in New York City air are equivalent to the total concentrations of polycyclic aromatic hydrocarbons. S...

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Veröffentlicht in:	Science (American Association for the Advancement of Science) 1983-09, Vol.221 (4615), p.1045-1047
Hauptverfasser:	Kneip, T. J., Daisey, J. M., Solomon, J. J., Hershman, R. J.
Format:	Artikel
Sprache:	eng
Schlagworte:	500200 - Environment, Atmospheric- Chemicals Monitoring & Transport- (-1989) Air Pollutants AIR POLLUTION Applied sciences AROMATICS Atmospheric chemistry Atmospheric pollution Atmospheric research CHEMICAL ANALYSIS CHROMATOGRAPHY Chromatography, High Pressure Liquid Chromatography, Thin Layer Colorimetry Environmental aspects ENVIRONMENTAL SCIENCES Exact sciences and technology FEDERAL REGION II Functional groups Hazardous substances Hot Temperature HYDROCARBONS INFRARED SPECTRA Infrared spectrum LIQUID COLUMN CHROMATOGRAPHY NEW YORK NEW YORK CITY Nitrates Nitrites NITROSO COMPOUNDS Nitroso Compounds - analysis NORTH AMERICA Observations ORGANIC COMPOUNDS ORGANIC NITROGEN COMPOUNDS PARTICLES Particulate matter PARTICULATES POLLUTION POLYCYCLIC AROMATIC HYDROCARBONS Reagents SEPARATION PROCESSES Solvents SPECTRA Spectral index Spectrophotometry, Infrared THERMAL ANALYSIS USA
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Beschreibung
Zusammenfassung:	Chemical, infrared, and thermal energy analyses have provided evidence for the presence of the N-nitroso functional group in extracts of airborne particles. The total molar N-nitroso concentrations in New York City air are equivalent to the total concentrations of polycyclic aromatic hydrocarbons. Since 90 percent of the N-nitroso compounds that have been tested are carcinogens, the newly discovered but untested materials may represent a significant environmental hazard.
ISSN:	0036-8075 1095-9203
DOI:	10.1126/science.6879203