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AZURA® AS 6.1L analytical Autosampler up to 1240 bar, with cool/heat option

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The analytical AS 6.1L for UHPLC applications enables highly precise and reproducible injections from up to 108 × 1.5 ml sample vials or standard microtiter plates (96‑ or 384‑well plates, up to two plates each). Maximum flexibility and efficient sample comsumption are ensured through three different injection modes: 
 
  • Full loop - highest precision and reproducibility
  • Partial loop - variable injection volumes, ideal for dilution series
  • µl Pickup - loss‑free injection of extremely small sample volumes
For high‑pressure applications, the autosampler is equipped with an  ILD™ valve (Intermediate Loop Decompression). This rotor-stator valve design features a central port that depressurizes the system before the sample is aspirated into the loop. Hence, the sample is not diluted with solvent, leading to improved injection accuracy and reproducibility. The extremely fast valve switching minimizes pressure spikes, enhancing analytical performance while reducing mechanical stress and wear on the column. In addition, the AS 6.1L supports precolumn derivatization and achieves minimal carryover through a highly effective inside and outside needle wash procedure.
  
Sample stability and reproducibility are maximized with the cool/heat option, which maintains the sample compartment at a  defined temperature between 4 and 40 °C. 

  • Application Area
  • Application Area
  • Injector Type
  • Max. Pressure
  • Sample Capacity
  • Sample Capacity
  • Injection Volume Range
  • Sample Tray Cooling
  • Injection Precision (RSD)
  • Injection Precision (RSD)
  • Injection Precision (RSD)
  • Carryover
  • Carryover
  • Carryover
  • Biocompatible

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Technical Data

General
Application Area Analytical LC, (U)HPLC
Injector Type Pulled-loop
Sample Capacity 108 × 1.5 ml vials, 2 × microtiter plates
Injection Volume Range 0.1 µl - 5 ml (depending on sample loop)
Sample Tray Cooling 4-40 °C
Specifications
Max. Pressure 1240 bar
Injection Precision (RSD) Full loop: < 0.3 %, Partial loop (> 5 µl): < 0.5 %, µl Pickup (> 5 µl): < 1.0 %
Carryover < 0.01 % (standard conditions), < 0.0015 % (partial loop, chlorhexidine), < 0,0003 % (extended washing, s. VTN0004)
GMP Relevant
Biocompatible No
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