ICARUS Chamber Experiment: Ziemann_20150701_Methyl nitrite/Nitric oxide/2-Dodecanone_Hydroxyl radical_DOS

Goals: Determine SOA yield of OH radical oxidation of the VOC

Summary: Experiments were conducted in an 8.0 m3 Teflon chamber at ambient temperature (?25 °C) and pressure (?630 Torr). Chamber air (<5 ppbv hydrocarbons and <1% RH) was supplied by two AADCO 737-Series pure air generators. The chamber was first seeded with dioctyl sebacate (DOS) particles generated using an evaporation?condensation source, and then a measured amount of dodecanone isomer was added from a heated glass bulb in a flow of nitrogen, followed by NO and methyl nitrite, which were each added from a calibrated glass bulb that was filled to a measured pressure on a vacuum manifold and then flushed with nitrogen. After adding each component a Teflon-coated fan was used to actively mix the chamber for 30 s. Concentrations of dodecanone, NO, and methyl nitrite were 1, 5, and 5 ppmv, with 200 ?g m?3 DOS seed particles added. To initiate the reaction, blacklights that cover two walls of the chamber were turned on for 60 min at light intensities equivalent to NO2 photolysis rate constant of 0.37 min?1, respectively, to generate OH radicals from methyl nitrite photolysis

Organization: Ziemann Lab Affiliation: University of Colorado, Boulder, Boulder, CO, USA Chamber: Janet (Chamber 1)

Experiment Category: Gas phase chemical reaction, Photolysis, any phase, Aerosol formation Oxidant: Hydroxyl radical Reactants: Methyl nitrite, Nitric oxide, 2-Dodecanone Reaction Type: Photooxidation Relative Humidity: 1 Temperature: 25 Seed Name: DOS Pressure: 630

To Access Resource:

Questions? Email Resource Support Contact:

  • DeVault, Marla
    marla.devault@colorado.edu
    Ziemann

Temporal Range

  • Begin:  2015-07-01
    End:  2015-07-01

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Resource Type dataset
Temporal Range Begin 2015-07-01
Temporal Range End 2015-07-01
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Related Links

Publication : Effect of the Keto Group on Yields and Composition of Organic Aerosol Formed from OH Radical-Initiated Reactions of Ketones in the Presence of NOx
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Resource Format Compressed Archive File (application/zip)
Standardized Resource Format Archive
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Creative Commons Attribution 4.0 International License.
Access Constraints These data are openly accessible by all registered users. Accounts are available free of charge following the registration of user information with a valid email address.
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Resource Support Name DeVault, Marla
Resource Support Email marla.devault@colorado.edu
Resource Support Organization Ziemann
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Metadata Contact Name GDEX Curator
Metadata Contact Email datahelp@ucar.edu
Metadata Contact Organization UCAR/NCAR - GDEX

Author Ziemann, Paul
Publisher ICARUS Community
Publication Date 2022-01-07
Digital Object Identifier (DOI) https://doi.org/10.5065/znm8-xe65
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Resource Version N/A
Topic Category N/A
Progress N/A
Metadata Date 2022-01-27T09:12:22-07:00
Metadata Record Identifier edu.ucar.gdex::5ebee36a-ecbb-40f8-94b4-560344ae9eef
Metadata Language eng; USA
Suggested Citation Ziemann, Paul. (2022). ICARUS Chamber Experiment: Ziemann_20150701_Methyl nitrite/Nitric oxide/2-Dodecanone_Hydroxyl radical_DOS. ICARUS Community. https://doi.org/10.5065/znm8-xe65. Accessed 21 December 2024.

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