Particle Loss Characterization #21 - 2019-03-13

ID:
21

Name:
PWL_near_20190313

Instrument:
Scanning Mobility Particle Sizer (#372)

Chamber:
Georgia Tech Environmental Chamber (Near)

Temperature (°C):
22

Relative humidity (%):
5

Particle composition:

  • Ammonium sulfate

Particle measurement size range:
17.5-982.2

Particle generation method:
Atomized using TSI 3076 aerosol generator. Aerosol was passed through the diffusion dryer and neutralizer

Date of characterization experiment:
2019-03-13

Months since calibration:

Wall loss experiment description:
Ammonium sulfate seed injected at dark chamber.

Wall loss rates calculation method:
Size-dependent beta was calculated for the characterization

Frequency of particle loss experiments:

Wall loss correction description:
Decay rate fastest around 200-400nm

Link to supplemental information:

Additional notes:

Characterization data file:
20190313_Wall_Loss_Near_Rivera_summary.csv


Experiments
ID Name Start date Experiment Category Reaction Type Reactant(s) Oxidant Name Temperature Humidity Type of Seed RO2 Main Fate Data Sets (count) Actions
141 Ng Research Group_20190219_naphthalene_Hydroxyl radical_Ammonium sulfate_dry 2019-02-19 Gas phase chemical reaction, Condensed-phase chemical reaction, Multiphase chemical reaction, Aerosol formation Photooxidation naphthalene Hydroxyl radical 22 3.2 Ammonium sulfate NO 8 Download
174 Ng Research Group_20190221_naphthalene_Hydroxyl radical_Ammonium sulfate_dry 2019-02-21 Gas phase chemical reaction, Condensed-phase chemical reaction, Multiphase chemical reaction, Aerosol formation Photooxidation naphthalene Hydroxyl radical 22 3.8 Ammonium sulfate NO 8 Download
175 Ng Research Group_20190224_naphthalene_Hydroxyl radical_Ammonium sulfate_dry 2019-02-24 Gas phase chemical reaction, Condensed-phase chemical reaction, Multiphase chemical reaction, Aerosol formation Photooxidation naphthalene Hydroxyl radical 22 4.1 Ammonium sulfate NO 8 Download
176 Ng Research Group_20190303_naphthalene_Hydroxyl radical_Ammonium sulfate_dry 2019-03-03 Gas phase chemical reaction, Condensed-phase chemical reaction, Multiphase chemical reaction, Aerosol formation Photooxidation naphthalene Hydroxyl radical 22 3.7 Ammonium sulfate NO 8 Download