Experiment: UCR-CECERT-APL-Cocker Group_20150511_DEGEE_Hydroxyl radical_No Seed_EPA2058 - Sara

Experiment

Name: UCR-CECERT-APL-Cocker Group_20150511_DEGEE_Hydroxyl radical_No Seed_EPA2058 - Sara
Date: 2015-05-11

Organization
UCR-CECERT-APL-Cocker Group

Chamber
EPA chamber

Experiment Set
Sara Li_Old test

Goals
Yield of DEGEE at certain conditions

Summary
Yield of DEGEE at certain conditions acquired

Experiment Details

Categories:

  • 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: Hydroxyl radical
Initial Oxidant Concentration Value: Abundant (molecules_per_cubic_centimeter)
RO2 Main Fate: Not Sure
RO2 Lifetime: (Seconds)
Pressure:

Data Sets

ID Instrument File  
72 SMPS EPA2058 SMPS.csv
73 AMS EPA2058 AMS.csv

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

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:

Download

Download this Experiment (12.78 KB)

Contacts

Principal investigator:

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


Data Manager:

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

Reactant

Reactant Compound type Concentration Concentration units
DEGEE
  • Ether
 80 Parts Per Billion

EPA2058 Timeline.csv Timeline

Time (America/Los_Angeles) Action
8:25 Start NO/CO span 2|20|off|35.0
8:40 NO 84.96 Nox 87.4 CO 16.46
Start GPT span 2|20|0.7|35.0
8:55 NO 61.52 Nox 86.91 CO 16.46
Start O3 span 2|20|0.7|off
9:29 O3 35.89
Start E-W-Z sampling
9:30 Fill air off
9:54 Air Handler on Heater on
9:32 Inject 100uL PFH into both bags
9:46 Inject 380uL H2O2 to both bags at 50~70C
10:14 Inject 20uL DEGEE to both bags at 71~95C
11:00 Mix E-W bags for 10 mins
11:14 Close valve 14
11:15 Inject (2.532-0.025) torr x 0.253L NO to East bag
11:23 Mix East for 1 min
GC2 sampling until 11:10
11:53 Only see 4ppb on East
Inject (1.659-0.03) torr x 0.253L NO to East bag
12:03 Mix East for 1 min
12:15 BLs on, Heater off
15:05 AMS on East
Valve not open until 17:50
18:47 BLs off, Air Handler off

Citations
Cite this experiment:

Characterizations
Light Flux 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: