Aug 23, 2023

ICARUS Chamber Experiment: Nguyen Group_20210128_ALPHA-PINENE/Dinitrogen pentoxide_Nitrate radical_Ammonium sulfate

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Version: 20230823-020119

Goals:
To quantify gas-phase product yields and the SOA yield from nighttime RO2+RO2- and RO2+NO3-dominated NO3-initiated chemistry of a-pinene using N2O5. This experiment in particular targeted RO2+NO3 chemistry by using a high N2O5/pinene ratio.

Summary:
a-pinene and seed aerosol were injected into the chamber and allowed to mix, followed by N2O5, which quickly dissociated to NO2 and NO3. a-pinene decayed rapidly by reaction with NO3. Gas phase was monitored by CF3O- CIMS and particle formation by SMPS. After all injections, a DNPH cartridge was collected for offline HRMS 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, Dinitrogen pentoxide
Reaction Type: Dark oxidation
Relative Humidity: 5
Temperature: 22
Seed Name: Ammonium sulfate
Pressure: 755 Torr

DOI: https://doi.org/10.5065/5pr5-9y40

ICARUS Experiment Details: https://icarus.ucdavis.edu/experiment/594

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Temporal Range: 2021-01-28 to 2021-01-28

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_20210128_ALPHA-PINENE/Dinitrogen pentoxide_Nitrate radical_Ammonium sulfate. Version 20230823-020119. ICARUS Community. https://doi.org/10.5065/5pr5-9y40. Accessed 10 Jan 2025.

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