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NMHCs_GC_online_xx_HPB

Varian_GC-3400-MS_HPB_C5-C14-hydrocarb

retired
🔬 gas chromatograph, online 🏭 Varian

🔧 Inlet System from 2001-05-01
Operated in atmospheric simulation chamber
Measurement height above ground 17.0 m
Measurement height above building 2.0 m
Distance from NOx inlet 6.0 m
Distance from condensables inlet 5.0 m
Distance from ozone inlet 6.0 m
Inlet tube material Highflow glass manifold (ID ~4cm, ~12m/s) into the laboratory from there treated stainless steel 1/16" (~50ml/min)
Residence time 2.0 s
Inlet line heating
Filter inlet material None
💨 Sample from 1998-01-01
Sample air flow Vacuum sampling
Pump
Kind of pump Membrane
Air flow 80.0 mL/min
🧬 Compounds from 9999-01-01
🧪 Air Treatment during sampling from 2000-01-01
Water removal Ab-/Adsorbent type
CO₂ removal None
Oxidant removal Cartridges/filter material
Cartridges/filter material Na2S2O3
Particle removal PTFE (Teflon)
🌬️ Air Sampling from 2001-01-01
Air sampling technique Concentrating on adsorbents
Concentrating on adsorbents
Adsorption material self-filled stainless steel tube or glass (Supelco) filled with Tenax TA and CarbopackX and Carboxen
Adsorption temperature 30.0 °C
Desorption temperature 200.0 °C
Air sampling system manufacturer DWD
Air sampling system model DWD custom-made
Sampling system serial number 0002a
Sampling interval 12.0 min
Air sampling duration 20.0 min
Air sampling volume 1.5 L
💉 Injection from 2000-01-01
Injection technique Thermodesorption
Thermodesorption mode Cryofocus
Cryofocus adsorption -180.0 °C
Cryofocus desorption 60.0 °C
Injection split Splitless
⚗️ GC System from 2000-01-01
Instrument manufacturer Varian
First column
Length 50.0 m
Material BPX-5
Film thickness 0.5 µm
Inner diameter 320.0 µm
📡 Detection from 2000-01-01
Detection method FID-MS
Detection system
Manufacturer Varian
Mass spectrometry system
Mass spectrometry manufacturer Varian
Type Ion Trap
Tune frequency Monthly
📐 Calibration from 2000-01-01
Zero gas generation technique Catalyst
Zero gas generation with catalyst
Catalyst type Custom-made PD/PT catalyst
Catalyst temperature 400.0 °C
Calibration frequency 2.0 weeks
Number of repetitions 3.0
Zero gas / Blank frequency 1.0 weeks
Blank substraction Applied
Linearity check frequency 1.0 months
📋 Measurement QA/QC
Instrument log book Hard copy
Checklist 1.0 days
✅ Data QA/QC
Time series analysis of calibrations
Time series analysis of compound ratios
@VOC@
Other QA/QC method Check of time series of retention times and peak width (excel), Check of time series of target gases
📤 Data Submission
Database Submission interval
ACTRIS 1.0 years
EMEP 1.0 years
GAW-WDCRG 1.0 years
👤 Operators
OperatorLevel
0009-0006-5196-5402 scientist
Test User technician
Test User technician