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NMHCs_GC_offline_xx_KOS

installed
🔬 gas chromatograph, offline

📝 Description
💨 Sample from 9999-01-01
Canister sampling Pumping
Pump
Air flow 4750.0 mL/min
Time 2.0 minutes
Air sampling volume 0.4 litre
Sampling interval 72.0 hours
Canister volume 1.5 litre
Canister pressure post 2.0 bar
🔧 Inlet System from 2026-03-04
Measurement height above ground 1.4 m
Distance from NOx inlet 50.0 m
Distance from ozone inlet 50.0 m
Inlet tube material PTFE (Teflon)
Residence time 1.0 s
Inlet line heating
Filter inlet material PTFE (Teflon)
Lower mesh size 10.0 µm
Upper mesh size 10.0 µm
⚗️ GC System from 9999-01-01
Instrument manufacturer Agilent
First column
Length 50.0 m
Material Agilent J&W HP-AL/S
Film thickness 8.0 µm
Inner diameter 320.0 µm
Second column
Length 60.0 m
Material Agilent J&W HP-1 
Film thickness 1.0 µm
Inner diameter 250.0 µm
📡 Detection from 9999-01-01
Detection method FID
System
Detection system manufacturer Agilent
📐 Calibration from 9999-01-01
Zero gas generation Other
Zero gas generation cylinder gas N2 (6.0)
Calibration frequency 3.0 months
Number of repetitions 1.0
Zero gas blank frequency 1.0 days

Calibration Certificates (2)

Name: NPL_NMHC_2021_KOS Supplier: NPL Cylinder: D933541 Valid: 2021-11-23 → 2026-11-22
Name: NPL_NMHC_2022_KOS Supplier: NPL Cylinder: D982552 Valid: 2022-06-22 → 2027-06-24
🧪 Air Treatment from 9999-01-01
Water removal None
CO2 removal None
Oxidant removal None
Particle removal PTFE (Teflon)
Bool other
📤 Data Submission
Databases
Database Submission
ACTRIS 1.0 years
✅ Data QA/QC
Time series analysis of calibrations
Time series analysis of compound ratios
@VOC@
Bool other
📋 Measurement QA/QC
Instrument log book Hard copy
Checklist 1.0 days
🧬 Compounds from 9999-01-01
👤 Operators
OperatorLevel
User #40 scientist
User #43 expert
User #42 technician
User #34 technician