Experiment: Nizkorodov Lab_20210728_Toluene/Nitric oxide_Hydroxyl radical_No Seed


Name: Nizkorodov Lab_20210728_Toluene/Nitric oxide_Hydroxyl radical_No Seed
Date: 2021-07-28

Nizkorodov Lab

Nizkorodov Chamber

Experiment Set
Toluene SOA Generation for matrix effects study

To produce toluene high NOx SOA for photochemical aging

Toluene high NOx SOA was produced for photochemical aging through the reaction of toluene with the hydroxyl radical (from H2O2) and NO.

Experiment Details


  • Aerosol formation
Temperature: 21
Relative Humidity: 40
Seeded Experiment: No
Fuchs Adjusted Surface Area:
Condensation sink rate coefficient: 40
Reaction type:
Oxidant Name: Hydroxyl radical
Initial Oxidant Concentration Value: 6000000 (molecules_per_cubic_centimeter)
RO2 Main Fate: NO
RO2 Lifetime: (Seconds)

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

Experiment Set Details

Name: Toluene SOA Generation for matrix effects study
Time format and units:
Toluene SOA was prepared by photooxidation under high-NOx conditions for subsequent photoaging in water, 1 M ammonium sulfate, and directly on the filter.


  • Rachel O'Brien William and Mary


Principal investigator:

Sergey Nizkorodov
E-mail: nizkorod@uci.edu

Data Manager:

Alexandra Klodt
Phone: 6419541844
E-mail: aklodt@uci.edu


Reactant Compound type Concentration Concentration units
Toluene (1140) 1500 Parts Per Billion
Nitric oxide (145068) 700 Parts Per Billion

20210728_timeline.csv Timeline

Time (hh:mm) Event Description
12:08 Experiment begin
12:12 Add oxidant
12:16 Add toluene
12:28 Add NO
12:30 turn on lights
15:40 lights off
15:40 collection begin
20:50 collection end

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

Chamber Details

Name: Nizkorodov Chamber
Volume in cubic meters: 5.6
Shape: Rectangular Prism
Surface area in cubic meters: 20
Flow Mode: Batch
Flow through rate in liters per minute:
Body Material: Teflon
Body thickness: 8
Replacement date: 2014-06-18
Replacement frequency: As needed
Cleaning method: Flushing with air with UV lights on Oxidation
o3 background:
nox background:
Particle background in micrograms per cubic meter:
Air filtration method: FTIR purge air generator
Mixing method: 0
Mixing method material:
Temparature Control: No
Temparature measurements recorded: Yes
Temparature range (min degrees celcius): 22
Temparature range (max degrees celcius): 29
Humidity Control: Yes
Humidity Measurements Recorded: Yes
Relative humidity range (min percent): 0
Relative humidity range (max percent): 100
Particle experiment capability: 1
Lights: Yes
Light source type(s): UVB Lamps
Supplemental information:
Additional Notes: