Experiment: UCR-CECERT-APL-Cocker Group_20141202_M-XYLENE/H2O2/NO_Hydroxyl radical_No Seed_EPA2005B - Sara
Experiment
Name: UCR-CECERT-APL-Cocker Group_20141202_M-XYLENE/H2O2/NO_Hydroxyl radical_No Seed_EPA2005B - Sara
Date: 2014-12-02
Organization
UCR-CECERT-APL-Cocker Group
Chamber
EPA chamber
Experiment Set
Sara Li_Old test
Goals
Photo-oxidation of m-xylene with continuous NO injection under black lights.
Summary
Target: 80ppb mXylene+1ppm H2O2+20 ppb NO+continous NO 5ppb/hr (A) INSTRUMENTS: SMPS, GC1, AMS, APM, SYFTExperiment Details
Categories:
- Photolysis, any phase
- Aerosol formation
- Aerosol aging
- Blank/Control
Relative Humidity: 0.01
Seeded Experiment: No
Fuchs Adjusted Surface Area:
Condensation sink rate coefficient: 0.01
Reaction type:
Oxidant Name: Hydroxyl radical
Initial Oxidant Concentration Value: N/A (molecules_per_cubic_centimeter)
RO2 Main Fate: Not Sure
RO2 Lifetime: (Seconds)
Pressure: 0.015'' H2O
Data Sets
ID | Instrument | File | |
---|---|---|---|
2976 | SMPS |
EPA2005B_SMPS.csv
|
|
2977 | SMPS - SizeD |
EPA2005B_SizeD.csv
|
|
2978 | Ozone Box |
EPA2005B_O3.csv
|
|
2979 | TC |
EPA2005B_Temperature.csv
|
|
2980 | NOx Box |
EPA2005B_NOx.csv
|
Data Set plots
Experiment Set Details
Name: Sara Li_Old test
Time format and units:
Description:
To investigate the SOA yield from DEGEE in low NOx condition.
Collaborators:
Contacts
Principal investigator:
David Cocker
E-mail: dcocker@engr.ucr.edu
Data Manager:
Chen Le
Phone: 9516603455
E-mail: cle030@ucr.edu
Reactants
Reactant | Compound type | Concentration | Concentration units |
---|---|---|---|
M-XYLENE (7929) | 80 | Parts Per Billion | |
H2O2 | 1 | Parts Per Million | |
NO |
|
20 | Parts Per Billion |
20141202_EPA2005_TimeLine.csv
Timeline
Time (America/Los_Angeles) | Action |
08:54 | NO span starts; flow 2|20|35|off |
09:11 | NO 87.40; NOx 89.36; CO 14.45; GPT span starts; flow 2|20|35|0.7 |
09:24 | NO 61.04; NOx 87.4; CO 14.45; O3 span starts; flow 2|20|off|0.7 |
09:30 | Inject 100 uL PFH to both bags |
09:42 | O3 35.64; Starting E--W--Z sampling |
09:42 | Fill air off; Air Handlers on; Heaters on; Chiller #1 on |
09:56 | Inject 65 uL m-xylene to both bags |
09:57 | Inject 20 ppbNO to both bags |
10:40 | Inject 380 uL H2O2 to both bags |
11:00 | Mix E-W for 10 min |
11:15 | Close valve 14 |
11:39 | BLs on; heater off; elevator on |
11:51 | Syft switch from W to E |
12:39 | 5 ppb/min NO to W |
13:10 | Restart elevator program |
18:35 | Stop NO injection |
18:41 | BL off; air handler off |
Citations
Characterizations
(None)
Particle Loss Characterizations:
(None)
Vapor Loss Characterizations:
(None)
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: