5 of 6
Jun 2001
Site Preparation
Agilent 6890 Gas Chromatograph Service Manual
Instrument Specifications 540
Detectors
• Selectivity: 25000 to 1 gN/gC, 75000 to 1 gP/gC with azobenzene/
malathion/octadecane
• Dynamic range: >10
5
N, >10
5
P with azobenzene/malathion mixture
TCD
• 400° C maximum operating temperature
• Single filament with microcell
• MDL: <400 pg propane/mL helium carrier (MDL may be affected by
laboratory environment.)
• Linear dynamic range: 10
5
(± 5%)
ECD
• Equipped with anode purge for contamination resistance
• 400° C maximum operating temperature
• Makeup gas types: argon/5% methane, nitrogen
• Radioactive source: 15 mCi
63
Ni plated
• MDL: <0.04 pg/s lindane
• Dynamic range: >10
4
with lindane
µ-ECD
• Radioactive source: 15 mCi
63
Ni plated
FPD
• Range: 10
3
(S), 10
4
(P)
• Selectivity: 10
5
to 1 gS/gC, 10
6
to 1 gP/gC
AED
See the specification guide for AED.
MSD
See the specification guide for MSD.