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Agilent 1260 Infinity II Liquid Chromatograph System with Vialsampler and Variable Wavelength Detector
Product Description
The Agilent 1260 Infinity II LC System w/ Vialsampler & VWD combines ultra-fast, high-resolution liquid chromatography with integrated sample handling and detection. The system provides:
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Variable Wavelength Detector (VWD):
- Wavelength range: 190 to 600 nm
- Dual-wavelength detection with low noise (< ± 2.5 AU) and baseline drift (< 1 × 10^-4 AU/h)
- Fast data acquisition up to 120 Hz
- Time-programmable wavelength switching for enhanced sensitivity and selectivity
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Binary Pump:
- Flow rate range: 0.001 to 5.0 ml/min
- Operating pressure up to 60 MPa (600 bar, 8700 psi) at 5 ml/min
- Reproducible gradients via high-pressure mixing
- Integrated degasser with 0.45 ml volume per channel
- Suitable for conventional, superficially porous, and STM columns
- User-configurable standard or low delay volumes
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Vialsampler (Autosampler):
- Injection volume range: 0.1 to 900 µl
- Pressure tolerance up to 40 MPa
- Integrated column oven accommodating two LC columns up to 30 mm length
- Column oven and sample cooler temperature control: 4°C to 80°C
- Capacity for up to 100 x 2 mL vials across two trays
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Integrated Column Oven:
- Thermostat control with two Peltier elements for precise temperature regulation
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Fully compatible with Agilent OpenLab CDS Software for instrument control, data acquisition, and analysis.
Diagnostic & Quality Tests Performed:
- VWD: filter, dark current, holmium oxide, lamp intensity, wavelength accuracy, baseline noise tests
- Binary Pump: pressure and leak tightness tests
- Column Oven: thermostat performance evaluation
- Vialsampler: injector step movement verification
- System: 4 Peak Isocratic Standard test confirming complete system functionality
The system supports routine pharmaceutical, environmental, and food analysis with high throughput and robust reproducibility.
This unit is fully tested to ensure performance to factory specifications before shipment.
Item Stats
Product details
| VWD Detector | Specification |
| Detection Type | Double-beam photometer |
| Light Source | Deuterium lamp |
| Wavelength Range | 190 - 600 nm |
| Noise | < ± 0.25 x 10^-5 AU, at 230 nm (single wavelength detection) < ± 0.80 x 10^-5 AU, at 230 nm and 254 nm (dual wavelength detection) |
| Drift | < 1 x 10^-4 AU/h at 230 nm |
| Linearity | > 2.5 AU upper limit |
| Wavelength Accuracy | ± 1 nm, self-calibration with deuterium lines, verification with holmium oxide filter |
| Wavelength Precision | < ± 0.1 nm |
| Slit Width | 6.5nm typical over whole wavelength range |
| Time Programmable | Wavelength, polarity, peak width, lamp on/off |
| Flow Cell | Standard: 14 µl volume, 10 mm cell path length and 40 bar (588 psi) pressure maximum |
| Spectral Tools | Stop-flow wavelength scan |
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