Experiment: Browne Lab_20240712_Hydrogen Peroxide/Dioctyl decanedioate_Hydroxyl radical_dioctyl sebacate_E11

Experiment

Name: Browne Lab_20240712_Hydrogen Peroxide/Dioctyl decanedioate_Hydroxyl radical_dioctyl sebacate_E11
Date: 2024-07-12

Organization
Browne Lab

Chamber
1-White (1W)

Experiment Set
Dioctyl sebacate plus OH

Goals
Control experiment to identify DOS oxidation products with CIMS, SMPS, AMS.

Summary
AMS peaks due to DOS and its oxidation products were identified.

Additional Notes
Two lights on periods.

Experiment Details

Categories:

  • Multiphase chemical reaction
  • Aerosol aging
  • Blank/Control
Temperature: 25
Relative Humidity: 0
Seeded Experiment: Yes
Type of Seed: dioctyl sebacate
Initial Seed Concentration Value: 30000000000
Seed Concentration Units: particles_per_cubic_meter
Fuchs Adjusted Surface Area:
Condensation sink rate coefficient: 0
Reaction type:
Oxidant Name: Hydroxyl radical
Initial Oxidant Concentration Value: ~1e7 (molecules_per_cubic_centimeter)
RO2 Main Fate: HO2
RO2 Lifetime: (Seconds)
Pressure: 860 mbar

Data Sets

ID Instrument File  
4562 Toluene CIMS E11_CIMS.csv
4563 1W Chamber Sensors E11_chamber.csv
4564 SMPS E11_SMPS.csv
4571 HR-AMS E11_AMS.csv

Data Set plots
Choose a file: Choose the X-Axis:

Experiment Set Details

Name: Dioctyl sebacate plus OH
Time format and units: M/D/YYYY h:mm:ss (local)
Description:
CIMS, SMPS, AMS, chamber data for measurements of dioctyl sebacate oxidation with H2O2 oxidant precursor.

Collaborators:

  • Hanalei Lewine University of Colorado Boulder
  • Eleanor C Browne University of Colorado Boulder

Download

Download this Experiment (22.7 KB)

Contacts

Principal investigator:

Eleanor Browne
Phone: 303-735-7685
E-mail: eleanor.browne@colorado.edu
OrcID: 0000-0002-8076-9455

Data Manager:

Eleanor Browne
E-mail: eleanor.browne@colorado.edu

Reactants

Reactant Compound type Concentration Concentration units
Hydrogen Peroxide (784)
  • Hydroperoxide
 3 Parts Per Million
Dioctyl decanedioate (75516)
  • Ester
 42 Microgram Per Cubic Meter

E11_timeline.csv Timeline

tlocal_event event
7/12/2024 10:09:28 CIMS measuring chamber
7/12/2024 10:32:20 stopped flushing chamber
7/12/2024 10:50:00 adding DOS seed
7/12/2024 10:55:46 run fan
7/12/2024 10:57:23 run fan
7/12/2024 11:00:00 run fan
7/12/2024 11:03:46 stopped adding seed
7/12/2024 11:07:14 start injecting H2O2
7/12/2024 11:23:22 finished injecting H2O2 and ran fan
7/12/2024 11:24:18 filling chamber to full volume
7/12/2024 11:31:39 done filling chamber
7/12/2024 11:51:00 start 5 min AMS filter zero
7/12/2024 12:00:24 lights on
7/12/2024 13:02:18 lights off
7/12/2024 03:11:00 start 5 min AMS filter zero
7/12/2024 13:30:43 lights on
7/12/2024 15:02:17 lights off
7/12/2024 15:31:00 chamber flushing

Citations

Characterizations
Light Flux Characterizations:
(None)
Particle Loss Characterizations:
(None)
Vapor Loss Characterizations:
(None)

Chamber Details

Name: 1-White (1W)
Volume in cubic meters: 20
Shape: Rectangular Prism
Surface area in cubic meters: 22.65
Flow Mode: Batch
Flow through rate in liters per minute:
Body Material: Teflon
Body thickness: 2
Replacement date: 2014-07-01
Replacement frequency: As needed
Cleaning method: Flushing with air
o3 background: 0
nox background: 0
Particle background in micrograms per cubic meter:
Air filtration method: AADCO 737-15, Parker Balston IT0500-3560
Mixing method: 1
Mixing method material: PTFE-coated steel fan
Temparature Control: Yes
Temparature measurements recorded: Yes
Temparature range (min degrees celcius): 4
Temparature range (max degrees celcius): 40
Humidity Control: Yes
Humidity Measurements Recorded: Yes
Relative humidity range (min percent): 0
Relative humidity range (max percent): 85
Particle experiment capability: 1
Lights: Yes
Light source type(s): UVA Black Lamps, Visible fluorescent bulbs
Supplemental information: This chamber is the same as the Jimenez lab 1W chamber (https://icarus.ucdavis.edu/chamber/534).
Additional Notes: UV_LIGHT_TYPE: F40/350BL/ECO (40W) and FR48T12/BL-350/VHO/182 (115W) UV_LIGHT_PEAK_EMISSION_WAVELENGTH (nm): 350 (FWHM=20) VISIBLE_LIGHT_TYPE: T5HO tubes (54W) VISIBLE_LIGHT_PEAK_EMISSION_WAVELENGTH (nm): 490 Number of lights: x 115W UV tubes, y 40W UV tubes, z Vis tubes All three types of lights are evenly distributed between four walls of the chamber See light characterization metafiles for more information.