Gilson - GX-271 ASPEC

Manufactured by  Gilson
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The single probe GX-271 ASPEC uses positive pressure elution to automate solid phase extraction with the added capability of injecting

The single probe GX-271 ASPEC™uses positive pressure elution to automate solid phase extraction with the added capability of injecting samples directly onto an on-line HPLC or LC/MS system.TheGX-271 ASPEC™ is able to accommodate 1-, 3-, and 6-mL standard SPE cartridges and the new 406 Single Syringe Pump is equipped with a pressure sensing module that constantly monitors system performance.The control software, TRILUTION® LH, is easy to use, flexible, and allows a combination of operating modes, including sequential and batch modes, along with the drag-and-drop functionality which enables for quick and easy setup of configurations, bed layouts and method builders.
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Features of GX-271 ASPEC
  • Accommodates 1, 3 and 6 mL SPE cartridges.
  • Mobile Rack technology enables use as an SPE instrument as well as a Liquid Handling instrument.
  • Positive pressure achieved via Gilson’s unique and innovative sealing cap design.
  • 406 Single Syringe Pump enables air push from either syringes or external air sources.
  • On-bed reservoirs allow access up to four solvents without taking up a valuable rack position.
  • Jet Wash rinse technology with optional rinse pump allows multiple rinsing parameters depending on the applications needs.
  • The 406 Single Syringe Pump is equipped with a pressure sensing module that monitors pressure and can be used to handle error conditions such as high cartridge pressure, or clogged liquid lines.
  • Eluted product can be fractionated by moving to different collection tubes for applications such as buffer or pH step gradients.
  • Operate in both batch and sequential mode to optimize throughput and efficiency.
  • Optional GX Direct Injection Module for performing on-line injections onto HPLC or LC/MS systems.
  • Modular design allows the use of Code 20 or Code 200 series racks.
General Specifications
Cross Contamination0.05 %
Depth 21.3 in
Height22.5 in
Temperature Range5 to 40 °C
Width 23.5 in
Power Requirements 120V/60 Hz, 220V/50 Hz
Peak Power250 W
Weight22 kg
Additional Specifications

Liquid Handling

Accuracy: >98% (100 µL - 25 mL)

Cartridge capacity: 108 (1 mL), 60 (3 mL), 45 (6 mL)

Injection Reproducibility: < 1% CV (total loop)

Sampler Type

X/Y/Z with stationary rack design

Probe Positioning Performance Accuracy: ± 0.75 mm in X/Y/Z dimensions

Repeatability: ± 0.20 mm in X/Y/Z dimensions

Arm Speed:

  • 350 mm/sec in X dimension
  • 350 mm/sec in Y dimension
  • 125 mm/sec in Z dimension
  • Vertical Punch Strength3.2 kg (7 lb)

Horizontal Motion Strength

  • X: 2.0 kg (4.5 lb)
  • Y: 2.0 kg (4.5 lb)

Probe Rinse

Probe rinsing and flowing probe rinsing occurs through a dedicated rinse station using up to two flowing outside rinse solvents when integrated with a GX rinse pump

Rack Capacity

Up to five Code 20, 33X/34X Series Racks, five Code 37X Series DEC Racks or three Code 200 or 300 Series Racks

Note: If a GX Direct Injection Module is installed on the locator plate of the liquid handler, only two Code 200 or 300 Series Racks can be accommodated. The rack position in front of the GX Direct Injection Module must remain available.

Front PanelTwo 7-segment blue LED displays and LED indicator lights for power and error messages

Syringe Pump: 406 Single or 406 Dual Syringe Pump

Contact Control: Two inputs (contact closure control & TTL), two relay outputs, two switched +24V DC 1A outputs and one safety input control

Note: Do not use voltages higher than 30V despite contacts rated for higher voltage

Computer control: via Ethernet communication and TRILUTION® LH Software

Environmental Conditions: For indoor use only

Altitude: 2000 m

Air pressure: 75 - 105 kPa

Pollution degree: 1 or 2, in accordance with IEC 66

Humidity: Maximum relative humidity 80% for temperatures up to 31º C, decreasing linearly to 50% relative humidity at 40ºC

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