Aug 23, 2023

ICARUS Chamber Experiment: 2014 FIXCIT Study_20140105_4-hydroxy-3-nitrooxy ISOPN/hydrogen peroxide_Hydroxyl radical_No Seed_Blank H2O2 + hv (high-NO "far" bag) and isoprene hydroxynitrate calibrations

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Version: 20230823-015558

Goals:
Measure the background concentrations created by exposing the bag to OH. Sample ISOPN pillow bags. Interested mainly in:
-what signals do the instruments see with no added VOC.
-which instruments observe signal from the ISOPN, and is their response linear to different ISOPN concentrations.

Summary:
Today we successfully ran a blank experiment (H2O2 added, no added VOC) in the high NOx bag. Instruments took turns coming off the blank experiment to sample pillow bag standards of the 4-OH, 3-nitrate isoprene hydroxynitrate provided by the Cohen and Shepson groups. The Cohen group bag was 13 ppb and the 3 Shepson bags were 47 ppt, 103 ppt, and 283 ppt.

Organization: 2014 FIXCIT Study
Lab Affiliation: California Institute of Technology
Chamber: Seinfeld chambers

Experiment Category: Blank/Control
Oxidant: Hydroxyl radical
Reactants: 4-hydroxy-3-nitrooxy ISOPN, hydrogen peroxide
Reaction Type: Photooxidation
Relative Humidity: 5
Temperature: 24-27
Pressure: 750

DOI: https://doi.org/10.5065/2d44-b522

ICARUS Experiment Details: https://icarus.ucdavis.edu/experiment/394

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Temporal Range: 2014-01-05 to 2014-01-05

Related Links: Publication - Overview of the Focused Isoprene eXperiment at the California Institute of Technology (FIXCIT): mechanistic chamber studies on the oxidation of biogenic compounds

GCMD Science Keywords

GCMD Instruments

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Support Contact

Nguyen, Tran
2014 FIXCIT Study
tbn@ucdavis.edu

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: Wennberg, Paul
Seinfeld, John
Crounse, John
Nguyen, Tran

Publisher

ICARUS Community

Suggested Citation: Wennberg, Paul, Seinfeld, John, Crounse, John, Nguyen, Tran. (2023). ICARUS Chamber Experiment: 2014 FIXCIT Study_20140105_4-hydroxy-3-nitrooxy ISOPN/hydrogen peroxide_Hydroxyl radical_No Seed_Blank H2O2 + hv (high-NO "far" bag) and isoprene hydroxynitrate calibrations. Version 20230823-015558. ICARUS Community. https://doi.org/10.5065/2d44-b522. Accessed 09 Jan 2025.

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