OVOCs_PTR_xx_EUPHORE
operational
🔬 proton transfer mass spectrometer
▶ 📝 Notes
Measurement height above ground: here above chamber floor Compounds: only dummies to be able to same the object Calibration frequency: before/after campaigns Linearity check frequency: before/after campaigns
▶ 💨 Sample
| Air flow | 50.0 mL/min |
▶ 🔧 Inlet System
| Line heating | 60.0 degC |
| Residence time | 25.0 s |
| Lower mesh size | 0.22 µm |
| Oxidant removal | None |
| Upper mesh size | 0.22 µm |
| Sample flow rate | 50.0 mL/min |
| Inlet tube material | Other |
| Filter inlet material | Nylon |
| Distance from nox inlet | 4.0 m |
| Inlet line heating bool | ✓ |
| Distance from ozone inlet | 4.0 m |
| Inlet tube material if other | Stainless steel |
| Measurement height above ground | 0.2 m |
| Distance from condensables inlet | 3.0 m |
▶ 📐 Calibration
| Zero gas generation | Syn. Air supply |
| Zero gas blank frequency | 1.0 days |
| External calibration unit | |
▶ 📤 Data Submission
Databases
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▶ ✅ Data QA/QC
| Bool voc | ✗ |
| Bool other | ✗ |
| Bool ratios | ✗ |
| Bool calibrations | ✓ |
▶ 📋 Measurement QA/QC
| Checklist | 1.0 days |
| Instrument log book | Hard copy |
▶ 🧬 Compounds
| # | Name | Formula | ID |
|---|---|---|---|
| 1 | acetaldehyde | – | 206 |
| 2 | methanol | – | 303 |
| 3 | ethanol | – | 253 |
| 4 | isoprene | – | 288 |
| 5 | acetone | – | 208 |
| 6 | acetonitrile | – | 209 |