| Short name |
AMS (Far, 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) |
290 |
| 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 |
| Skip Headers |
1 |
| Columns in CSV Upload Files |
[] |