Aug 23, 2023

ICARUS Chamber Experiment: Caltech Atmospheric Chamber_20140822_ISOPRENE/CYCLOHEXANE/sulfur dioxide_Ozone_No Seed_Dry_highSO2


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Version: 20230823-020213

Goals:
This experiment was performed to study the competition between the reactions of the smallest stabilized Criegee intermediate (SCI) CH2OO with water (or water dimer) and SO2

Summary:
At 3% RH and 75 ppb SO2, now there is more significant sulfate particle formation as seen by the AMS, but there is still SCI+H2O products that are fairly abundantly observed with CIMS

Organization: Caltech Atmospheric Chamber
Lab Affiliation: California Institute of Technology, Pasadena, CA
Chamber: Near/Far Bag 2012-2015 (Tran)

Experiment Category: Gas phase chemical reaction
Oxidant: Ozone
Reactants: ISOPRENE, CYCLOHEXANE, sulfur dioxide
Reaction Type: Dark oxidation
Relative Humidity: 3
Temperature: 24
Pressure: 750 Torr

DOI
https://doi.org/10.5065/zcf2-dn19
ICARUS Experiment Details
https://icarus.ucdavis.edu/experiment/639
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Temporal Range
2014-08-22 to 2014-08-22
Related Links
Publication - Atmospheric fates of Criegee intermediates in the ozonolysis of isoprene
GCMD Science Keywords
  • Atmosphere > Aerosols
  • Atmosphere > Atmospheric Chemistry > Trace Gases/Trace Species
GCMD Instruments
  • In Situ/Laboratory Instruments > Chemical Meters/Analyzers
File Media Types
  • application/zip
Support Contact
Kong, Stephanie
Caltech Atmospheric Chamber
wkong@caltech.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
Seinfeld, John
Publisher
ICARUS Community

Suggested Citation
Seinfeld, John. (2023). ICARUS Chamber Experiment: Caltech Atmospheric Chamber_20140822_ISOPRENE/CYCLOHEXANE/sulfur dioxide_Ozone_No Seed_Dry_highSO2. Version 20230823-020213. ICARUS Community. https://doi.org/10.5065/zcf2-dn19. Accessed 27 Jan 2025.
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