FID Jet (GC Detector) — Sales and Instrument Support
- SKU SP-DET-001
- Price on request
- Low Stock
- Detector Parts
Vision Analytical
Replacement flame ionisation detector jet for a gas chromatograph. The jet is the narrow-bore tip where the column effluent and hydrogen meet the air supply and burn; ions formed in that flame are collected and become the signal, so the bore and its cleanliness set the detector's response.
Jets are not interchangeable across all applications. The bore is different for capillary and packed-column work, and high-temperature or simulated-distillation service uses its own jet, so the jet must match the configuration rather than only the instrument.
How a bad jet shows itself
- Response falling gradually across weeks while injection and column are unchanged.
- The flame failing to light, or lighting and then going out.
- A spiking or wandering baseline caused by deposits flaking in the flame.
- Peak shape fine but sensitivity poor - contamination narrows the bore before it blocks it.
Silica deposits from column bleed and from dirty sample matrices are the usual contaminant. A lightly fouled jet can be cleaned; an eroded or enlarged bore cannot be recovered and is replaced.
- Serving laboratories since 2022
- Refurbished Instruments · Spare Parts Store · Service & AMC from the same team
- GST-registered supplier · GSTIN 27ABIPZ1312R1Z0
Specifications
| Detector | Flame ionisation (FID) |
|---|---|
| Function | Burns column effluent with hydrogen and air |
| Selection depends on | Capillary or packed column, and temperature service |
| Contaminant | Silica deposits from column bleed and sample matrix |
| Failure signs | Falling response, flame-out, spiking baseline |
| Listed for | Agilent, Shimadzu |