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