Oct 12, 2021

ICARUS Chamber Experiment: 2014 FIXCIT Study_20140116_ALPHA-PINENE/Methyl nitrite_Hydroxyl radical_No Seed_Alpha-pinene + OH "slow chemistry", dry, 40C, no seeds

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Version: 20211012-015825

Goals:
Investigate "slow" (isomerization-favoring) OH chemistry of alpha-pinene

Summary:
Timeline (UTC, hrs):
00:00,Instruments (NO; CF3O-; GTHOS; OHR; AMS; PTRMS) start sampling the bag
00:30,Instruments stopped sampling; added CH3ONO to the bag with 5 SLM zero air
00:35,Added alpha-pinene with 6 SLM zero air in 50degC water bath
01:22,Stopped alpha-pinene addition
01:30,Certain instruments started sampling (CF3O- CIMS; GTHOS; NO). GTHOS and NO off bag overnight
02:05,2 UV bulbs on (~ 1% lights)
16:05,Instruments started sampling on bag; AMS saw nucleation overnight; O3 instrument reads 10 ppbv
16:30,Lights off
17:34,Lights on (20%)
18:15,Lights on (100%)
19:37,Lights off
20:20,Add 2 min of NO flow to kill O3/HO2
22:45,Stopped sampling; start flushing

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

Experiment Category: Gas phase chemical reaction
Oxidant: Hydroxyl radical
Reactants: ALPHA-PINENE, Methyl nitrite
Reaction Type: Photooxidation
Relative Humidity: 5
Temperature: 40
Pressure: 750 Torr

DOI: https://doi.org/10.5065/3cz8-a773

ICARUS Experiment Details: https://icarus.ucdavis.edu/experiment/403

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1 Files, 6 MB Total Size

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Temporal Range: 2014-01-16 to 2014-01-16

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 Publication - Can Isoprene Oxidation Explain High Concentrations of Atmospheric Formic and Acetic Acid over Forests?

GCMD Science Keywords

GCMD Platform Types

GCMD Instruments

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Support Contact

Nguyen, Tran
2014 FIXCIT Study
tbn@ucdavis.edu

Data Curator

GDEX Curator
UCAR/NCAR - GDEX
datahelp@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.

Full Metadata

Version History: 20211012-015825; 20210930-015501; 20210912-015023; 20210829-015018; 20210819-015043; 20210818-015042; 20210817-015044; 20210815-015031; 20210811-015029; 20210810-015023; 20210809-015035; 20210808-015101; 20210807-015038; 20210806-015106; 20210805-015137; 20210804-015046; 20210803-015038; 20210802-015040; 20210731-015044; 20210730-015113; 20210729-020619; 20210724-015132; 20201204-173621

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

Publisher

ICARUS Community

Suggested Citation: Wennberg, Paul, Seinfeld, John, Crounse, John, Nguyen, Tran. (2021). ICARUS Chamber Experiment: 2014 FIXCIT Study_20140116_ALPHA-PINENE/Methyl nitrite_Hydroxyl radical_No Seed_Alpha-pinene + OH "slow chemistry", dry, 40C, no seeds. Version 20211012-015825. ICARUS Community. https://doi.org/10.5065/3cz8-a773. Accessed 04 Nov 2024.

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