Instrument - gas chromatograph - flame ionization detector

Short name:
GC-FID

Full name:
gas chromatograph - flame ionization detector

What is being measured:
hydrocarbons

Sampling Protocol:
Online

Manufacturer:
Agilent

Model:
6890N

Instrument year :
None specified

Data recording software:
Chemstation

Data analysis software:
Chemstation

Raw data time resolution:
900 s

Analysis data averaging:

Detection limit:
1-10 ppb

Sensitivity to temperature (and correction method, if applicable): :
Minor, no correction

Sensitivity to relative humidity (and correction method, if applicable): :
Minor, no correction

Sampling method:
Direct sampling with custom injection method

Sample preparation method:

Sample residence time (chamber to instrument) (seconds):

Length of tubing (cm):
200

Instrument flow rate:
0.5 lpm

Tubing inner diameter:
0.16 in

Tubing material:
FEP Teflon

Chemical identification method:
Comparison of retention time with primary standards

Data analysis method:
Manual peak integration on Chemstation software

Quantification method:

Calibration method:
Calibrated with primary standards diluted to relevant concentrations in pillow bags

Calibration drift estimate:
Low (on the order of weeks)

Calibration schedule:
As Needed

Uncertainty estimation method:
Estimated using precision of repeat measurements of standards

Known interferences:
Can convert hydroperoxides and possibly other labile oxygen-containing functional groups to carbonyls

Link to supplemental information:

Additional notes:

Measurement uncertainty:
5 ppbv unless otherwise noted

Measurement units:
ppbv unless otherwise noted

Characterizations