1220 Infinity: Specifications
Agilent 1220 Infinity LC System - Performance Specifications
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Safety features
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Extensive diagnostics, error detection and display, leak detection, safe leak handling, leak output signal for shutdown of pumping system. Low voltages in major maintenance areas.
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Control and data evaluation
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Agilent EZChrom Compact, Agilent Lab Advisor, Agilent ChemStation, Agilent EZChrom Elite
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Communications
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Controller-area network (CAN), RS-232C, APG Remote: ready, start, stop and shut-down signals, LAN
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GLP features
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Early maintenance feedback (EMF), electronic records of maintenance and errors
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Agilent 1220 Infinity LC System – Performance Specifications Pumps (isocratic and gradient)
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Hydraulic system
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Dual plunger in series pump with proprietary servo-controlled variable stroke drive, floating plungers and passive inlet valve
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Settable flow range
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0.001 – 10 mL/min, in 0.001 mL/ min increments
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Flow range
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0.2 – 10.0 mL/min
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Flow precision
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<0.07% RSD, or < 0.02 min SD whatever is greater, based on retention time at constant room temperature
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Flow accuracy
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± 1% or 10 μl/min whatever is greater
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Pressure
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Operating range 0 – 60 MPa (0 – 600 bar, 0 – 8700 psi) up to 5 mL/min
Operating range 0 – 40 MPa (0 – 400 bar, 0 – 5880 psi) up to 5 mL/min (VL versions – gradient only)
Operating range 0 – 20 MPa (0 – 200 bar, 0 – 2950 psi) up to 10 mL/min (all versions)
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Pressure pulsation
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< 2 % amplitude (typically < 1 %), at 1 mL/min isopropanol, at all pressures > 1 MPa (10 bar)
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Compressibility compensation
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User-selectable, based on mobile phase compressibility
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Recommended pH range
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1.0 – 12.5, solvents with pH < 2.3 should not contain acids which attack stainless steel
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Gradient formation (gradient pump or optional; two solvents)
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Low pressure dual mixing/gradient capability using proprietary high-speed proportioning valve
Delay volume 800 – 1100 μl, dependent on back pressure
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Composition range
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0 – 95 % or 5 – 100 %, user selectable
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Composition precision
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< 0.2 % RSD, at 0.2 and 1 mL/min
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Agilent 1220 Infinity LC System Performance Specifications – Integrated degassing unit (gradient pump only)
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Maximum flow rate
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10 mL/ min per channel
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Number of channels
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2
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Internal volume
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1.5 mL/ channel
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Agilent 1220 Infinity LC System - Performance Specifications Autosampler
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Pressure
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Operating range 0 – 60 MPa (0 – 600 bar, 0 – 8700 psi)
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Injection range
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0.1 – 100 μL in 0.1 μL increments
Up to 1500 μL with multiple draw (hardware modification required)
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Replicate injections
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1 – 99 from one vial
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Precision
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< 0.25% RSD from 5 – 100 μL, < 1% RSD 1 – 5 μL
variable volume
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Minimum sample volume
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1 μL from 5 μL sample in 100 μL microvial, or 1 μL from 10 μL sample in 300 μL microvial
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Carryover
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Typically < 0.1%, < 0.05% with external needle cleaning
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Sample viscosity range
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0.2 – 50 cp
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Sample capacity
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100 × 2-mL vials in 1 tray
40 × 2-mL vials in ½ tray
15 × 6-mL vials in ½ tray (Agilent vials only)
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Injection cycle time
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Typically 50 s depending on draw speed and injection volume
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Agilent 1220 Infinity LC System - Performance Specifications Oven
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Temperature range
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10 degrees above ambient to 60 °C
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Temperature stability
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± 0.15 °C
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Temperature accuracy
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± 0.8 °C with calibration ± 0.5 °C
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Column capacity
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One 25-cm column
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Internal volume
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6 μL
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Agilent 1220 Infinity LC System Performance Specifications Variable Wavelength Detector
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Detection type
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Double-beam photometer
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Light source
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Deuterium lamp
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Wavelength range
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190 – 600 nm
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Short term noise
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± 0.35 × 10-5 AU, at 230 nm
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Drift
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3 × 10-4 AU/hr, at 254 nm
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Linearity
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> 2 AU (5%) upper limit
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Wavelength accuracy
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± 1 nm; Self-calibration with deuterium lines, verification with holmium oxide filter
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Band width
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6.5 nm typical
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Flow cells
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Standard: 14- μL volume, 10-mm cell path length and 40 bar (588 psi) pressure maximum
High pressure: 14- μL volume, 10-mm cell path length and 400 bar (5880 psi) pressure maximum
Semi-micro: 5- μL volume, 6-mm cell path length and 40 bar (588 psi) pressure maximum
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