Experiment: UCR-CECERT-APL-Cocker Group_20110418_b-caryophyllene/2-butanol_Ozone_No Seed_EPA1414A - Esther


Name: UCR-CECERT-APL-Cocker Group_20110418_b-caryophyllene/2-butanol_Ozone_No Seed_EPA1414A - Esther
Date: 2011-04-18


EPA chamber

Experiment Set
Sara Li_Old test

Photo-oxidation of b-caryophyllene with the existence of O3 and 2-butanol under black lights

Targets: b-cary 5ppb; O3 350ppb; 2-butanol 1.58ppm INSTRUMENTS: GC, SMPS, vTDMA, APM, AMS

Additional Notes
east bag leaky

Experiment Details


  • Photolysis, any phase
  • Aerosol formation
  • Aerosol aging
Temperature: 28
Relative Humidity: 0.01
Seeded Experiment: No
Fuchs Adjusted Surface Area:
Condensation sink rate coefficient: 0.01
Reaction type:
Oxidant Name: Ozone
Initial Oxidant Concentration Value: 350 (parts_per_billion)
RO2 Main Fate: HO2
RO2 Lifetime: (Seconds)
Pressure: 0.015'' H2O

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

Experiment Set Details

Name: Sara Li_Old test
Time format and units:
To investigate the SOA yield from DEGEE in low NOx condition.



Principal investigator:

David Cocker
E-mail: dcocker@engr.ucr.edu

Data Manager:

Chen Le
Phone: 9516603455
E-mail: cle030@ucr.edu


Reactant Compound type Concentration Concentration units
b-caryophyllene 5 Parts Per Billion
2-butanol 1.58 Parts Per Million

20110418_EPA 1414 B-caryophyllene + O3_TimeLine.csv Timeline

Time (America/Los_Angeles) Action
09:27 Targets: B-caryophyllene 5 ppb; isoprene 0.25 ppm; 2-butanol; O3 400 ppb
09:28 NO/CO span starts; flow 2|40|off|40
09:50 Inject 7.8uL B-caryophellene into both bags
09:51 NO 99.07; NOx 97.75; CO 9.72; GPT span starts; flow 2|40|2.00|off
09:51 Teco 2 NO 99.07; NOx 97.75; CO 9.72
10:10 NO 22.46; NOx 90.43; O3 span starts; flow 2|40|2.00|off
10:23 O3 #2 83.50; Starting E--W--Z sampling
10:28 Inject 100uL PF into both bags
10:43 Inject 1000uL 2-butanol into both bags
10:55 Mix W-E bag for 6 mins
11:17 Close valve 14
11:20 Inject O3 @26 psi into East bag for 30 min
11:51 Inject O3 @26 psi into West bag for 30 min
16:29 Heaters off; Blacklights on
20:05 End of experiment BL off (W:999s; E:999s)

Light Flux Characterizations:
Particle Loss Characterizations:
Vapor Loss Characterizations:

Chamber Details

Name: EPA chamber
Volume in cubic meters: 84.2
Shape: Rectangular Prism
Surface area in cubic meters: 126
Flow Mode: Batch
Flow through rate in liters per minute:
Body Material: Teflon
Body thickness: 2
Replacement date: 2017-11-07
Replacement frequency: As needed
Cleaning method: Flushing with air Flushing with air with UV lights on Oxidation Wipe with ultra-pure water if needed
o3 background: 10
nox background: 0
Particle background in micrograms per cubic meter: 0
Air filtration method: The chamber is using zero air from our air purification system
Mixing method: 0
Mixing method material:
Temparature Control: Yes
Temparature measurements recorded: Yes
Temparature range (min degrees celcius): 5
Temparature range (max degrees celcius): 45
Humidity Control: Yes
Humidity Measurements Recorded: Yes
Relative humidity range (min percent): 0.01
Relative humidity range (max percent): 80
Particle experiment capability: 1
Lights: Yes
Light source type(s): 350nm UVA Black Lamps
Supplemental information:
Additional Notes: