The Agilent G4513A is a high-precision, automated injector tower designed to enhance the throughput and reproducibility of gas chromatography (GC) workflows. As a core component of the 7693A Automatic Liquid Sampler (ALS) system, this tower facilitates consistent, accurate sample injections into the inlet of the GC, significantly reducing manual error and increasing overall laboratory productivity.
Product Specifications
| Feature | Specification Details |
| Product Name | Agilent G4513A Autosampler Injector Tower |
| Compatibility | Agilent 7890, 7820, 8890, 8860 GC systems |
| Syringe Capacity | Supports various sizes (0.5 µL to 250 µL) |
| Injection Speed | High-speed injection for reduced needle residence time |
| Sample Capacity | Modular design (can be integrated with G4514A tray) |
| Weight | Approx. 3.5 kg |
Application Fields
The G4513A is widely utilized in analytical chemistry environments requiring high-standard sample delivery:
- Pharmaceutical Quality Control: Ensures precise injection volumes for purity and stability testing.
- Environmental Analysis: Enables automated, repeatable sample processing for soil, water, and air quality monitoring.
- Food & Beverage Safety: Facilitates high-throughput screening for pesticides and contaminants.
- Chemical Research: Ideal for complex sample preparation and high-precision injection sequences in R&D laboratories.
Product Usage Instructions
- Setup: Mount the injector tower onto the GC inlet position. Ensure the tower is securely locked into the GC top chassis to maintain alignment with the inlet port.
- Syringe Installation: Insert the syringe carefully into the carriage, ensuring the needle is properly positioned. Use Agilent-certified syringes for optimal performance and to prevent leakage.
- Software Configuration: Use Agilent OpenLab or MassHunter software to define injection parameters, including injection speed, volume, and sample depth.
- Maintenance: Periodically clean the needle guide and check the plunger movement. Replace septa and syringes regularly to ensure consistent injection performance and to avoid sample carryover.
Frequently Asked Questions (Q&A)
Q: Is the G4513A compatible with all Agilent GC models?
A: It is highly versatile and compatible with most modern Agilent 7000 and 8000 series GCs. Always confirm your specific GC firmware version supports the G4513A module.
Q: Can I use this tower for headspace sampling?
A: No, the G4513A is primarily designed for liquid sampling. Headspace analysis typically requires specialized headspace samplers or modules designed for vapor phase injection.
Q: What should I do if the injector tower shows a communication error?
A: Check the CAN bus cable connection between the tower and the GC. Ensure the cables are securely seated. If the error persists, cycle power to both the GC and the tower to reset the handshake.
Q: How often should I calibrate the injection depth?
A: Calibration is recommended after any maintenance involving the inlet, or if you change the syringe type. Use the software’s alignment wizard to ensure the needle enters the inlet precisely.
Recommended Similar Products
- Agilent G4514A Sample Tray (for increased sample capacity)
- Agilent 7693A Dual-Tower Configuration
- Agilent G4567A Barcode Reader (for sample tracking)
- Agilent 7650A Automatic Liquid Sampler
