Aug 23, 2023

ICARUS Chamber Experiment: Nguyen Group_20190425_ALPHA-PINENE/hydrogen peroxide/OZONE/10102-44-0_Nitrate radical_Ammonium sulfate

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Version: 20230823-015912

Goals:
To assess the feasibility of accessing nighttime HO2-dominated chemistry of a-pinene by adding H2O2 + ozone + NO2 to the chamber. Overall goals will include quantifying the nitrooxy-hydroperoxide yield and the SOA yield from this reaction pathway

Summary:
H2O2, NO2, and O3 were injected in the chamber and allowed to equilibrate, forming NO3 (and some N2O5) and probably HO2. Then a-pinene was injected and decayed by simultaneous reaction with ozone and NO3. Gas phase was monitored by CF3O- CIMS and particle formation by SMPS. A filter was collected for later offline analysis.

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: ALPHA-PINENE, hydrogen peroxide, OZONE, 10102-44-0
Reaction Type: Dark oxidation
Relative Humidity: 5
Temperature: 22
Seed Name: Ammonium sulfate
Pressure: 755 Torr

DOI: https://doi.org/10.5065/6meh-a987

ICARUS Experiment Details: https://icarus.ucdavis.edu/experiment/545

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Temporal Range: 2019-04-25 to 2019-04-25

Related Links: N/A

GCMD Science Keywords

GCMD Instruments

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Support Contact

Bates, Kelvin
Nguyen Group
kelvinhbates@gmail.com

Data Curator

GDEX Curator
UCAR/NCAR - GDEX
gdex@ucar.edu

Legal Constraints: 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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Authors: Nguyen, Tran

Publisher

ICARUS Community

Suggested Citation: Nguyen, Tran. (2023). ICARUS Chamber Experiment: Nguyen Group_20190425_ALPHA-PINENE/hydrogen peroxide/OZONE/10102-44-0_Nitrate radical_Ammonium sulfate. Version 20230823-015912. ICARUS Community. https://doi.org/10.5065/6meh-a987. Accessed 17 Oct 2024.

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