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Condensables_CI-APi-TOF_Neg_Nitrate_Taunus

operational
🔬 chemical ionization-atmospheric pressure interface-time of flight mass spectrometer 📌 http://hdl.handle.net/21.11157/5enjn-x5g19
Description

Chemical ionization-atmospheric pressure interface-time of flight mass spectrometer operated at the observatory platform Taunus Observatory to perform in-situ measurements of condensable vapours.


🔧 Inlet System from 2026-08-01
Operated in atmospheric simulation chamber
Measurement height above ground 5.5 m
Distance from NOx inlet 5.0 m
Distance from VOC inlet 5.0 m
Distance from ozone inlet 5.0 m
Inlet tube material Stainless steel
Residence time 2.0 s
Inlet line heating
🧬 Compounds from 9999-01-01
#Name
1 sulfuric acid
2 methanesulfonic acid
3 iodic acid
4 highly oxidized molecules
🔬 Mass analyzer from 9999-01-01
Type Time-of-Flight
Time-of-Flight type L-TOF
Mass resolution 10000
Instrument manufacturer TOFwerk
Instrument model TOFwerk Vocus CI TOF 2R
Instrument serial number 910.34.1074
Reagent ions Nitrate
Filter inlets for simultaneous measurements of gas and condensed phase HOM
Pressure atmospheric
Sample flow 10.0 l/min
Total air flow 100.0 l/min
Sample flow treatment with ion filter
📐 Calibration from 9999-01-01
Method Sulfuric acid calibrator
Frequency Once 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
OperatorLevel
0000-0002-4900-7460 expert
0000-0002-8955-4450 scientist