NMHCs_GC_offline_xx_SMU
operational
🔬 gas chromatograph, offline
▶ 📝 Notes
* Sampling interval: Monday and Thursday * Maximum storage time: 2 weeks * Other thermodesorption mode: not specified * Inlet line heating: ambient air inlet line is heated to 5 K above the ambient temperature. The laboratory is air-conditioned to 25 °C.
▶ 💨 Sample from 9999-01-01
| Pump | |
| Other | Autocan |
| Kind of pump | Other |
| Pump manufacturer | [Referenz-ID: 932] |
| Time | 5.0 minutes |
| Air flow | 500.0 mL/min |
| Storage time | 2.0 weeks |
| Canister volume | 1.8 litre |
| Sampling volume | 1.8 litre |
| Canister sampling | Pumping |
| Sampling interval | 2.0 days |
| Canister pressure pre | 2.0 bar |
| Canister pressure post | 2.0 bar |
▶ 🔧 Inlet System from 9999-01-01
| Line heating | 25.0 degC |
| Inlet tube material | Other |
| Filter inlet material | None |
| Distance from nox inlet | 0.55 m |
| Inlet line heating bool | ✓ |
| Distance from ozone inlet | 0.65 m |
| Inlet tube material if other | PFA/stainless steel |
| Measurement height above ground | 18.0 m |
| Measurement height above building | 2.0 m |
▶ ⚗️ GC System from 9999-01-01
| First column | |
| Length | 50.0 m |
| Material | CP-AI2O3 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 | 220.0 µm |
| Instrument model | [Referenz-ID: 1031] |
| Pre column select box | ✗ |
| Instrument manufacturer | [Referenz-ID: 592] |
| Instrument serial number | 580S12020707 |
| Second column select box | ✓ |
▶ 📡 Detection from 9999-01-01
| Select | FID |
| System | |
| Detection model | [Referenz-ID: 1030] |
| Detection manufacturer | [Referenz-ID: 1029] |
| Detection serial number | N610-0374 |
▶ 📐 Calibration from 9999-01-01
| Zero gas generation | Catalyst |
| Calibration frequency | 1.0 months |
| Zero gas blank frequency | 2.0 weeks |
| Linearity check frequency | 1.0 months |
| Zero gas generation if catalyst | |
| Catalyst type | zero air generator NBS |
| Catalyst temperature | 450.0 degC |
Calibration Certificates (1)
Name:
NPL_NMHCs_2023_WAL
Supplier:
NPL
Cylinder:
D982550
Valid: 2023-02-03 → 2028-02-02
▶ 🧪 Air Treatment from 9999-01-01
| Bool other | ✗ |
| Co2 removal | None |
| Water removal | None |
| Oxidant removal | None |
| Particle removal | None |
▶ 📤 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 | (E)-2-butene | – | 99 |
| 2 | (Z)-2-butene | – | 107 |
| 3 | 1,3-butadiene | – | 122 |
| 4 | 1-butene | – | 126 |
| 5 | 2-methylbutane | – | 166 |
| 6 | 2-methylpentane | – | 169 |
| 7 | 2-methyl-propane | – | 164 |
| 8 | benzene | – | 225 |
| 9 | ethane | – | 252 |
| 10 | ethene | – | 255 |
| 11 | ethylbenzene | – | 265 |
| 12 | ethyne | – | 269 |
| 13 | isoprene | – | 288 |
| 14 | m-xylene | – | 298 |
| 15 | n-butane | – | 324 |
| 16 | n-heptane | – | 329 |
| 17 | n-hexane | – | 331 |
| 18 | n-pentane | – | 336 |
| 19 | o-xylene | – | 349 |
| 20 | p-xylene | – | 353 |
| 21 | propane | – | 361 |
| 22 | propene | – | 363 |
| 23 | toluene | – | 380 |
| 24 | 2-methyl-propene | – | 165 |