Thermal Conductivity Detector
The thermal conductivity detector (TCD) is a universal detector for gas chromatography that responds to virtually any compound, excluding the carrier gas. It is generally used for the GC analysis of permanent gases, light hydrocarbons, and compounds that do not respond well to a flame ionization detector (FID).
The single-filament TCD used on Agilent Intuvo 9000, 8890, 8860, and 7890 GC systems does not require a separate reference gas or manual potentiometer adjustment yet provides a stable baseline with a minimal amount of signal drift commonly seen with other TCDs that utilize valve switching.
The single-filament TCD used on Agilent Intuvo 9000, 8890, 8860, and 7890 GC systems does not require a separate reference gas or manual potentiometer adjustment yet provides a stable baseline with a minimal amount of signal drift commonly seen with other TCDs that utilize valve switching.