Liquid Chromatograph with Single Quadrupole Mass Spectrometer

ACQUITY Arc System
ACQUITY QDa Mass Detector
The ACQUITY Arc System is a quaternary-based LC system designed to achieve both HPLC and UHPLC separations in one instrument. The system allows to easily switch between HPLC and UHPLC operation with multi-flow technology to select the dwell volume that fits best the column separation.

  • Maximum operating pressure: 9500 psi.
  • pH range: 1–12.5.
  • Operating flow rate range: up to 5 mL/min.
  • Sample compartment: 4–40 °C.
  • Pump options: quaternary.
  • Column capacity: up to 15 columns of 150 mm length and up to 4.6 mm inner diameter.
  • Maximum sample capacity: up to 20 plates (with Sample Organizer).

ACQUITY QDa is is a mass detector designed for analytical scientists who need mass spectral data without the complexity of a mass spectrometer, to confirm compound identity and quantify compounds with no UV response or at levels not accessible by optical detection. With the on/off simplicity, the ACQUITY QDa Detector fully automates sample analysis and eliminates sample-specific or user adjustments typical of traditional mass spectrometers.
  • Acquisition modes: Full scan MS; Selected Ion Recording (SIR).
  • Mass range: 30 to 1250 m/z.
  • Scan speed: automatically-optimized for enhanced data quality for acquisition rates of up to e.g. 10 Hz for m/z 100 to 1000 or 20 Hz for m/z 50 to 500.
  • Mass accuracy: better than ±0.2 Da over full mass range.
  • Mass stability: Mass drift less than 0.1 Da over a 24 hour period.
  • Mass resolution: Automated mass resolution control (0.7 Da) for constant data quality.

📍 The instrument is located at DIFARMA of the University of Salerno.

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