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Instrument Database:
Dionex Corporation - GP50/IP25 Pump Series
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| Year of introduction |
1998 |
| Status |
historical ( out of service ) |
| Company |
Dionex Corporation
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| Categories |
Chromatography: LC-Pump
Chromatography: LC-Pump: Gradient/Binary
Chromatography: LC-Pump: Gradient/Quarternary
Chromatography: LC-Pump: Gradient/Ternary
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Parallel-piston GP50/IP25 pumps provide gradient and isocratic eluent delivery at up to 10 mL/min.
Maximize Return on Investment to Support a Broad Range of Applications
- The GP50 Gradient Pump is designed to blend and pump mixtures of up to four mobile phase components at precisely controlled composition and flow rates.
- Isocratic proportioning or binary, ternary, or quaternary gradients can be programmed. In addition to a linear gradient, four concave and four convex gradients can be chosen.
Achieve Your Requirements for Best Analytical Performance
- Dual processors that provide exceptional flow rate stability for optimum run-to-run reproducibility
- Smooth, accurate eluent proportioning regardless of backpressure level or solvent viscosity
- Extremely small void volumes that result in accurate, sharp gradients with minimal delays
- Built-in vacuum degas option that provides sealed, pressurized, in-line degassing for best reproducibility, lowest backgrounds, and protection of delicate solvents from contamination and breakdown
- User-selectable pressure feedback mode or flow mode (no pressure feedback)
- User-selectable high- and low-pressure limits that automatically stop the pump in the event of leaks, flow restrictions, flow blockages, or an empty eluent reservoir
Minimize Operational Costs and Maximize Usage with Inert, Rugged Construction
- Inert PEEK flow components for rugged high-pressure mobile phase delivery
- Proven performance of PEEK
- Front access to all maintenance parts for fast, easy replacement
- Integral piston rinsing that prolongs seal lifetime by preventing salt crystallization on the piston
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| Specifications |
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Flow rate range
0.04–10.0 mL/min
Flow precision
Better than 0.1%
Flow accuracy
±0.5% of setting or ±2 µL/min, whichever is greater
Maximum operating pressure
35 MPa (5000 psi)
Vacuum degas
Built-in (optional)
Control modes
Remote by TTL or relay, or by Chromeleon® Chromatography Software
Dimensions
33.5 × 22.5 × 42 cm (13.1 × 8.8 × 16.4 in.)
Weight
16.1 kg (35.3 lb)
19.5 kg (43 lb) with degas option
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