Photooxidation of α-pinene at high relative humidity in the presence of increasing concentrations of NOx
Photooxidation of alpha -pinene at high relative humidity in the presence of increasing concentrations of nitrogen oxides (NO sub(x)) was investigated. The size distributions and number concentrations of the particles formed by the photochemistry were measured using a scanning mobility particle size...
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| Veröffentlicht in: | Atmospheric environment 2008-06, Vol.42 (20), p.5044-5060 |
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| creator | YONG YU EZELL, Michael J ZELENYUK, Alla IMRE, Dan ALEXANDER, Liz ORTEGA, John D'ANNA, Barbara HARMON, Chris W JOHNSON, Stanley N FINLAYSON-PITTS, Barbara J |
| description | Photooxidation of alpha -pinene at high relative humidity in the presence of increasing concentrations of nitrogen oxides (NO sub(x)) was investigated. The size distributions and number concentrations of the particles formed by the photochemistry were measured using a scanning mobility particle sizer (SMPS) consisting of either a nano or long differential mobility analyzer (DMA) and a condensation particle counter (CPC). Trace compounds such as HCHO formed during photooxidation in air were shown to be more sensitive measures of model performance than was ozone and organic nitrates could fulfill a similar role. The results showed that in addition to a complex mixture of gaseous and particulate oxygenated organics, organic nitrates were components of both the gas and particle phases. |
| doi_str_mv | 10.1016/j.atmosenv.2008.02.026 |
| format | Article |
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The size distributions and number concentrations of the particles formed by the photochemistry were measured using a scanning mobility particle sizer (SMPS) consisting of either a nano or long differential mobility analyzer (DMA) and a condensation particle counter (CPC). Trace compounds such as HCHO formed during photooxidation in air were shown to be more sensitive measures of model performance than was ozone and organic nitrates could fulfill a similar role. The results showed that in addition to a complex mixture of gaseous and particulate oxygenated organics, organic nitrates were components of both the gas and particle phases.</abstract><cop>Oxford</cop><pub>Elsevier Science</pub><doi>10.1016/j.atmosenv.2008.02.026</doi><tpages>17</tpages><orcidid>https://orcid.org/0000-0001-8915-4097</orcidid></addata></record> |
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| ispartof | Atmospheric environment, 2008-06, Vol.42 (20), p.5044-5060 |
| issn | 1352-2310 0004-6981 1873-2844 |
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| source | ScienceDirect Journals (5 years ago - present) |
| subjects | 10 SYNTHETIC FUELS ACETALDEHYDE ACETIC ACID ACETONE AEROSOLS Applied sciences Atmospheric pollution CARBON Catalysis CHEMICAL COMPOSITION Chemical Sciences CYCLOHEXANE Environmental Molecular Sciences Laboratory Exact sciences and technology FORMALDEHYDE FORMIC ACID HUMIDITY LIGHT SCATTERING MASS SPECTROSCOPY METHANOL NITRATES ORGANIC COMPOUNDS OXIDES Pollutants physicochemistry study: properties, effects, reactions, transport and distribution Pollution PROTONS REFRACTIVE INDEX TEFLON TRANSFER REACTIONS WAVELENGTHS |
| title | Photooxidation of α-pinene at high relative humidity in the presence of increasing concentrations of NOx |
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