ICARUS Chamber Experiment: Jimenez Lab_20170329_1-Hexanol/1-octanol/1-Nonanol/1-DECANOL/Methyl nitrite/nitric oxide/1-DODECANOL_Hydroxyl radical_Ammonium sulfate_12.5_ug/m3_AS5

Goals:
Fast burst photooxidation of alkanols (high-NOx). Gas-aerosol-wall partitioning kinetics. Determine accommodation coefficient (alpha) and effective volatility under differing seed aerosol types (differing phase and polarities, inorganic/organic, humid/dry, standards/SOA).

Summary:
Alkanols, Methyl nitrite, NO, and particle seed added to chamber, UV lights turned on for 10 sec, multifunctional products formed. In most experiments in this experimental set, 10-s UV light/photochemistry burst repeated a few times. SMPS measurements of particle size distributions were conducted to determine particle formation, surface area and condensational sink rate coefficients.
Gas-phase chemical species were measured with nitrate CIMS.

Organization: Jimenez Lab
Lab Affiliation: University of Colorado, Boulder
Chamber: 1-White (1W)

Experiment Category: Volatility and partitioning
Oxidant: Hydroxyl radical
Reactants: 1-Hexanol, 1-octanol, 1-Nonanol, 1-DECANOL, Methyl nitrite, nitric oxide, 1-DODECANOL
Reaction Type: Photooxidation
Relative Humidity: 46
Temperature: 25
Seed Name: Ammonium sulfate

DOI

https://doi.org/10.5065/j5yt-g062

ICARUS Experiment Details

https://icarus.ucdavis.edu/experiment/247

Temporal Range

2017-03-29 to 2017-03-29

Related Links

Publication - Direct measurements of semi-volatile organic compound dynamics show near-unity mass accommodation coefficients for diverse aerosols Publication - Determining Activity Coefficients of SOA from Isothermal Evaporation in a Laboratory Chamber

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

Handschy, Anne
Jimenez Lab
cudatabasemanager@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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