NMHCs_GC_online_xx_ZEP
operational
🔬 gas chromatograph, online
▶ 📝 Notes
*** certificates not provided** * Please select the correct Sampling system manufacturer and model from the lists (if not in list, please write an email to k.seemeyer@fz-juelich.de)
▶ 💨 Sample from 9999-01-01
| Pump | |
| Pump model | [Referenz-ID: 904] |
| Kind of pump | Membrane |
| Pump manufacturer | [Referenz-ID: 576] |
| Air flow | 100.0 mL/min |
| Sample air flow select | Vacuum sampling |
▶ 🔧 Inlet System from 9999-01-01
| Line heating | 5.0 degC |
| Lower mesh size | 60.0 µm |
| Upper mesh size | 60.0 µm |
| Inlet tube material | Other |
| Filter inlet material | Stainless steel |
| Inlet line heating bool | ✓ |
| Distance from ozone inlet | 30.0 m |
| Inlet tube material if other | Stainless steel |
| Measurement height above ground | 15.0 m |
| Measurement height above building | 10.0 m |
▶ ⚗️ GC System from 9999-01-01
| Pre column | |
| Length | 0.5 m |
| Weight | 150.0 mg |
| Material | MS-4A |
| Lower mesh size | 100.0 µm |
| Upper mesh size | 110.0 µm |
| First column | |
| Length | 60.0 m |
| Material | GC-GasPro |
| Inner diameter | 320.0 µm |
| Second column | |
| Length | 25.0 m |
| Material | CP-PoraBOUND Q |
| Inner diameter | 320.0 µm |
| Instrument model | [Referenz-ID: 905] |
| Pre column select box | ✓ |
| Instrument manufacturer | [Referenz-ID: 547] |
| Second column select box | ✓ |
▶ 📡 Detection from 9999-01-01
| Select | Mass spectrometry |
| Mass spectrometry | |
| Type | Quadrupole |
| Tune freq | Monthly |
| Mass spectrometry manufacturer | [Referenz-ID: 547] |
▶ 🌬️ Air Sampling from 9999-01-01
| Sampling volume | 2.0 L |
| Sampling duration | 20.0 min |
| Air sampling technique | Concentrating on adsorbents |
| Concentrating on adsorbents | |
| Adsorption material | Medusa |
| Adsorption temperature | -170.0 degC |
| Desorption temperature | 100.0 degC |
▶ 📐 Calibration from 9999-01-01
| Blank substraction | Applied |
| Zero gas generation | N/A |
| Calibration frequency | 1.0 weeks |
| Zero gas blank frequency | 1.0 weeks |
▶ 🧪 Air Treatment from 9999-01-01
| Bool other | ✗ |
| Co2 removal | Other |
| Water removal | Nafion |
| Oxidant removal | None |
| Particle removal | Stainless steel screen |
| Co2 removal if other | Using two cryotraps and flush out the CO2 during transfer from trap1 to trap2 |
▶ 📤 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 | Electronic |
▶ 🧬 Compounds from 9999-01-01
| # | Name | Formula | ID |
|---|---|---|---|
| 1 | 2-methylbutane | – | 166 |
| 2 | 2-methyl-propane | – | 164 |
| 3 | benzene | – | 225 |
| 4 | ethene | – | 255 |
| 5 | n-butane | – | 324 |
| 6 | n-pentane | – | 336 |
| 7 | propane | – | 361 |
| 8 | toluene | – | 380 |