30 Agilent 1260 Infinity II Preparative Autosampler User Manual
2
Site Requirements and Specifications
Performance Specifications
Performance Specifications
Table 2 Performance Specifications 1260 Infinity II Preparative Autosampler (G7157A)
Type Specification Comment
Settable injection
range
0.1 – 900 µL, up to 3600 µL with seat extension
Injection precision 1 µL: <5%
5µL: <2%
10 µL, 50 µL: <1%
500 – 3600 µL: <0.25 %
Measured caffeine
Pressure range 0 – 40 MPa (0 – 400 bar, 0 – 5801.51 psi)
Sample viscosity
range
0.2 – 5 cp
Sample capacity 132 x 2 mL vial (two trays default)
100 x 2 mL vial (two classic trays optional)
36 x 6 mL vials (two trays optional)
Carry over <0.005% (50ppm) Method
• Column: Agilent 5 Prep-C18, 21.2 mm x
50 mm, 5 µm (446905-102)
• Eluent: Water/ACN (85/15) isocratic
• Flow rate: 30 mL/min
• Temperature: RT
• Detection: 273/4 nm Ref. 360/100 nm,
10 Hz
• Injection volume: 500 µL
• Needle wash: 10 s in flush port with
Water/ACN (85/15)
• Draw speed: 900 µL/min
• Eject speed: 3000 µL/min
• Wait time after draw: 5 s
Sample
• Caffeine 5 g/L in Water /ACN (98/2)
Injection cycle time <60 s for injection volume 900 µL
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