NMHCs_GC_online_xx_PAS
operational
🔬 gas chromatograph, online
▶ 💨 Sample from 9999-01-01
| Sample air flow | Vacuum sampling |
| Pump | |
| Air flow | 40.0 mL/min |
▶ 🔧 Inlet System from 9999-01-01
| Measurement height above ground | 7.0 m |
| Measurement height above building | 3.5 m |
| Distance from NOx inlet | 0.0 m |
| Distance from ozone inlet | 0.0 m |
| Inlet tube material | Other |
| Inlet tube material | Stainless steel/Silco steel |
| Residence time | 2.0 s |
| Inlet line heating | ✗ |
| Filter inlet material | None |
▶ ⚗️ GC System from 9999-01-01
| Instrument manufacturer | PerkinElmer |
| Instrument model | PerkinElmer Clarus 500 |
| First column | |
| Length | 50.0 m |
| Material | Al2O3/Na2SO4 |
| Film thickness | 5.0 µm |
| Inner diameter | 320.0 µm |
| Second column | |
| Length | 50.0 m |
| Material | BP1 |
| Film thickness | 1.0 µm |
| Inner diameter | 250.0 µm |
▶ 📡 Detection from 9999-01-01
| Detection method | FID |
| System | |
| Detection system manufacturer | PerkinElmer |
| Detection system model | PerkinElmer Clarus 500 |
▶ 🌬️ Air Sampling from 9999-01-01
| Air sampling technique | Concentrating on adsorbents |
| Concentrating on adsorbents | |
| Adsorption material | Perkin-Elmer Air Toxic Trap |
| Adsorption temperature | -40.0 °C |
| Desorption temperature | 300.0 °C |
| Air sampling system manufacturer | PerkinElmer |
| Air sampling duration | 30.0 min |
| Air sampling volume | 0.6 L |
▶ 📐 Calibration from 9999-01-01
| Zero gas generation | Other |
| Zero gas generation | Nitrogen 99.9999% gas in cylinder |
| Calibration frequency | 4.0 weeks |
| Zero gas blank frequency | 4.0 weeks |
| Blank substraction | Applied |
Calibration Certificates (1)
Name:
NPL_NMHCs_2020_PAS
Supplier:
NPL
Cylinder:
D723269
Valid: 2015-12-11 → 2017-12-10
▶ 🧪 Air Treatment from 9999-01-01
| Water removal | Nafion | ||
| CO2 removal | None | ||
| Oxidant removal | None | ||
| Particle removal | None | ||
| Bool other | ✓ | ||
If other
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▶ 📤 Data Submission
Databases
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▶ ✅ Data QA/QC
| Time series analysis of calibrations | ✓ |
| Time series analysis of compound ratios | ✗ |
| @VOC@ | ✗ |
| Bool other | ✗ |
▶ 📋 Measurement QA/QC
| Instrument log book | Electronic |
| Checklist | 1.0 days |