ICARUS Chamber Experiment: Nguyen Group_20220708_Nitrogen Dioxide / Ammonium Sulfate / Ozone / Hydrogen Peroxide / Myrcene_Nitrate radical_Ammonium sulfate

Goals: To quantify SOA yield and gas-phase product yields (particularly of C10 nitrooxy-hydroperoxide and other organonitrates) from humid nighttime RO2+HO2-dominated NO3-initiated chemistry of myrcene. Summary: The chamber was humidified, after which H2O2, NO2, and O3 were injected in the chamber and allowed to equilibrate, forming NO3 and HO2. Ammonium sulfate seed particles were injected. Then myrcene was injected and decayed by simultaneous reaction with ozone and NO3. Gas phase organics were monitored by CF3O- CIMS (units: normalized counts), particle formation was monitored by SMPS, and RH / T / O3 / NOx were monitored throughout. O3/NOx data sometimes require post-correction not applied here, including subtraction of an ozone interference from H2O2 (1 ppm H2O2 is detected as about 12 ppb ozone) and correction for an in-line HEPA filter (see timeline for applicable timing) that scrubs about 10% of NO2 and 45% of ozone. Organization: Nguyen Group Lab Affiliation: UC Davis Chamber: Tran's big bag of air Experiment Category: Gas phase chemical reaction, Aerosol formation Oxidant: Nitrate radical Reactants: Nitrogen Dioxide, Ammonium Sulfate, Ozone, Hydrogen Peroxide, Myrcene Reaction Type: Dark oxidation Relative Humidity: 62 Temperature: 22 Seed Name: Ammonium sulfate Pressure: approximate 1 atm

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Temporal Range

  • Begin:  2022-07-08
    End:  2022-07-08

Keywords

Resource Type dataset
Temporal Range Begin 2022-07-08
Temporal Range End 2022-07-08
Temporal Resolution N/A
Bounding Box North Lat N/A
Bounding Box South Lat N/A
Bounding Box West Long N/A
Bounding Box East Long N/A
Spatial Representation N/A
Spatial Resolution N/A
Related Links

Related Resource #1 : Icarus Dataset at UC-Davis
Additional Information N/A
Resource Format ASCII
Standardized Resource Format ASCII
Asset Size 155.359 MB
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Creative Commons Attribution 4.0 International License
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Resource Support Email datahelp@ucar.edu
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Distributor NSF NCAR Geoscience Data Exchange
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Metadata Contact Email datahelp@ucar.edu
Metadata Contact Organization NSF NCAR Geoscience Data Exchange

Author Nguyen, Tran B.
Publisher NSF National Center for Atmospheric Research
Publication Date 2023-03-07
Digital Object Identifier (DOI) https://doi.org/10.5065/nkg2-n055
Alternate Identifier d789198
Resource Version N/A
Topic Category environment
Progress completed
Metadata Date 2025-10-09T01:37:10Z
Metadata Record Identifier edu.ucar.gdex::d789198
Metadata Language eng; USA
Suggested Citation Nguyen, Tran B.. (2023). ICARUS Chamber Experiment: Nguyen Group_20220708_Nitrogen Dioxide / Ammonium Sulfate / Ozone / Hydrogen Peroxide / Myrcene_Nitrate radical_Ammonium sulfate. NSF National Center for Atmospheric Research. https://doi.org/10.5065/nkg2-n055. Accessed 11 October 2025.

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