Experiment: Ng Research Group_20170531_3-METHYLFURAN_Nitrate radical_Ammonium sulfate_dry


Name: Ng Research Group_20170531_3-METHYLFURAN_Nitrate radical_Ammonium sulfate_dry
Date: 2017-05-31

Ng Research Group

Georgia Tech Environmental Chamber (Near)

Experiment Set

Monitor the oxidation pathway by NO3 radical and the aerosol composition

15uL of 3-methylfuran injected and ~1200ppb of N2O5 injected as the source of the nitrate radical.

Additional Notes
Initial oxidant concentration is approximated N2O5 concentration.

Experiment Details


  • Gas phase chemical reaction
  • Condensed-phase chemical reaction
  • Multiphase chemical reaction
  • Volatility and partitioning
  • Aerosol formation
  • Aerosol aging
Temperature: 25
Relative Humidity: 1.8
Seeded Experiment: Yes
Type of Seed: Ammonium sulfate
Initial Seed Concentration Value: 16104
Seed Concentration Units: particles_per_cubic_meter
Fuchs Adjusted Surface Area:
Condensation sink rate coefficient: 1.8
Reaction type:
Oxidant Name: Nitrate radical
Initial Oxidant Concentration Value: 1200 (parts_per_billion)
RO2 Main Fate: NO3
RO2 Lifetime: (Seconds)

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

Experiment Set Details

Name: 3MF+NO3_Joo
Time format and units: Eastern time
3-methylfuran+NO3 to understand nighttime oxidation chemistry of biomass burning



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
  • O-heterocycle
328 Parts Per Billion

20170531_3MF_NO3_TimeLine.csv Timeline

Time (ET) Action
11:30 GC RHT/NOx/O3 on
11:35 SMPS on
12:03 AMS on filter
12:40 CIMS on
12:41 AMS on chamber
14:00 Seed injection starts
14:20 Seed injection ends
14:25 VOC injection starts
14:45 VOC injection ends
15:45 N2O5 injection starts
18:15 N2O5 injection ends
21:30 AMS/SMPS/CIMS off
21:40 GC off
21:40 RHT/Nox/O3 off

Light Flux Characterizations:
Particle Loss Characterizations:
2017-06-05 (#17)
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: