Short name:
AMS (Near, time series)

Full name:
HR-ToF-AMS

What is being measured:
Non-refractory particle composition

Sampling Protocol:
Online

Manufacturer:
Aerodyne

Model:
N/A

Instrument year :
None specified

Data recording software:
ToF-AMS DAQ 4.024beta

Data analysis software:
SQ 1.62A, PIKA 1.22A

Raw data time resolution:
Every minute

Analysis data averaging:

Detection limit:
0.003 μg/m3

Sensitivity to temperature (and correction method, if applicable): :
Yes

Sensitivity to relative humidity (and correction method, if applicable): :
Yes

Sampling method:
Direct sampling

Sample preparation method:

Sample residence time (chamber to instrument) (seconds):

Length of tubing (cm):
420

Instrument flow rate:
0.08

Tubing inner diameter:
1/4 inch

Tubing material:
Stainless Steel

Chemical identification method:
Mass spectrometery with electron impact ionization.

Data analysis method:

Quantification method:

Calibration method:
Ionization efficiency and relative ionization effeciencies of the instrument are calibrated with pure 300nm ammonium nitrate particles and pure 300nm ammonium sulfate particles every other week.

Calibration drift estimate:

Calibration schedule:
As Needed

Uncertainty estimation method:
Filter runs before the sampling

Known interferences:
Air and inorganic salts can inteference with organic signals

Link to supplemental information:

Additional notes:
AMS species concentration need to consider collection efficiency change during the experiment.

Measurement uncertainty:
40%

Measurement units:
ug/m3