Experiment: Ng Research Group_20190221_naphthalene_Hydroxyl radical_Ammonium sulfate_dry


Name: Ng Research Group_20190221_naphthalene_Hydroxyl radical_Ammonium sulfate_dry
Date: 2019-02-21

Ng Research Group

Georgia Tech Environmental Chamber (Near)

Experiment Set

generate naphthalene SOA for cellular ROS assay

222 ppb naphthalene injected and use HONO as the source of OH radical

Experiment Details


  • Gas phase chemical reaction
  • Condensed-phase chemical reaction
  • Multiphase chemical reaction
  • Aerosol formation
Temperature: 22
Relative Humidity: 3.8
Seeded Experiment: Yes
Type of Seed: Ammonium sulfate
Initial Seed Concentration Value: 18363
Seed Concentration Units: particles_per_cubic_meter
Fuchs Adjusted Surface Area:
Condensation sink rate coefficient: 3.8
Reaction type:
Oxidant Name: Hydroxyl radical
Initial Oxidant Concentration Value: 4.98e06 (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: NAPH+OH_Liu
Time format and units: Eastern time
Naphthalene+OH to generate naphthalene SOA for cellular ROS assay



Principal investigator:

Nga (Sally) Lee Ng
E-mail: ng@chbe.gatech.edu
OrcID: 0000-0001-8460-4765

Data Manager:

Taekyu Joo
Phone: (404) 385-2149
E-mail: tjoo6@gatech.edu


Reactant Compound type Concentration Concentration units
naphthalene (931)
  • Aromatic
222 Parts Per Billion

20190221_Naphthalene_OH_timeline.csv Timeline

Time (HH:MM) Event Description
9:00 Test

Light Flux Characterizations:
Particle Loss Characterizations:
2019-03-13 (#21)
Vapor Loss Characterizations:

Chamber Details

Name: Georgia Tech Environmental Chamber (Near)
Volume in cubic meters: 12.6
Surface area in cubic meters: 32.48865
Flow Mode: Batch
Flow through rate in liters per minute:
Body Material: Teflon
Body thickness:
Replacement date: 2017-02-07
Replacement frequency: As needed
Cleaning method: Flushing with air Flushing with air with UV lights on
o3 background: 3
nox background: 1
Particle background in micrograms per cubic meter:
Air filtration method: Pure air generator with membrane filter dryer
Mixing method: 0
Mixing method material:
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): 2
Relative humidity range (max percent): 70
Particle experiment capability: 1
Lights: Yes
Light source type(s): UVA Black Lamps, Natural Sunlight
Supplemental information:
Additional Notes: