Condensables_CI-APi-TOF_1_SMR
operational
🔬 chemical ionization-atmospheric pressure interface-time of flight mass spectrometer
📌
21.11157/n28ja-4fb94
▶ Description
Chemical ionization-atmospheric pressure interface-time of flight mass spectrometer operated at the observatory platform SMEAR II (Hyytiälä) to perform in-situ measurements of condensable vapours.
▶ 🔧 Inlet System from 9999-01-01
| Operated in atmospheric simulation chamber | ✗ |
| Measurement height above ground | 1.5 m |
| Distance from NOx inlet | 40.0 m |
| Distance from VOC inlet | 40.0 m |
| Distance from ozone inlet | 40.0 m |
| Inlet tube material | Stainless steel |
| Residence time | 1.0 s |
| Inlet line heating | ✗ |
| Filter inlet material | None |
▶ 🧬 Compounds from 2018-11-01
| # | Name |
|---|---|
| 1 | sulfuric acid |
| 2 | highly oxidized molecules |
| 3 | iodic acid |
| 4 | methanesulfonic acid |
▶ 🔬 Mass analyzer from 2018-11-01
| Type | Time-of-Flight |
| Time-of-Flight type | L-TOF |
| Mass resolution | 9000 |
| Instrument manufacturer | Karsa |
| Instrument model | Karsa CI-APi-TOF |
| Instrument serial number | C4Q-120 |
| Reagent ions | Multiple ion chemistry |
| Switching time | 10.0 min |
| Filter inlets for simultaneous measurements of gas and condensed phase HOM | ✗ |
| Pressure | atmospheric |
| Sample flow | 0.8 l/min |
| Total air flow | 20.0 l/min |
| Sample flow treatment with ion filter | ✓ |
▶ 📐 Calibration from 9999-01-01
| Method | Sulfuric acid calibrator |
| Frequency | 2-3 times a year |
▶ 📋 Measurement QA/QC
| Instrument log book | Electronic |
| Checklist | 1.0 weeks |
▶ ✅ Data QA/QC
| Time series analysis of calibrations | ✗ |
| Time series analysis of compound ratios | ✓ |
| @VOC@ | ✗ |
▶ 📤 Data Submission
| Database | Submission interval |
|---|---|
| ACTRIS | – |
▶ 👤 Operators
| Operator | Level |
|---|---|
| 0000-0003-1874-3235 | expert |