Aug 23, 2023

ICARUS Chamber Experiment: Caltech Atmospheric Chamber_20130421_ISOPRENE/CYCLOHEXANE_Ozone_No Seed_RH27


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Version: 20230823-020204

Goals:
This experiment was performed to study product formation from stabilized Criegee intermediates (SCI) in the Isoprene + ozone under various relative humidity (RH) conditions with cyclohexane as an OH scavenger. This investigates the reaction of the simplest SCI (CH2OO) with water and water dimer

Summary:
Significant amounts of CH2OO + H2O products (HMHP, formic acid, and H2O2) were observed

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
Reaction Type: Dark oxidation
Relative Humidity: 27
Temperature: 24
Pressure: 750 Torr

DOI
https://doi.org/10.5065/read-mf48
ICARUS Experiment Details
https://icarus.ucdavis.edu/experiment/629
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1 Files, 43.68 KB Total Size

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Temporal Range
2013-04-21 to 2013-04-21
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_20130421_ISOPRENE/CYCLOHEXANE_Ozone_No Seed_RH27. Version 20230823-020204. ICARUS Community. https://doi.org/10.5065/read-mf48. Accessed 16 Jun 2025.
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