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HPR-20 EPIC.

A gas analysis system with a triple filter mass spectrometer and a pulse ion counting detector for positive and negative ion detection.

<300 ms
Response time
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Hiden HPR-20 EPIC
HPR-20 EPIC · Gas analysis

Overview.

The system includes the Hiden EPIC triple filter mass spectrometer, with a high gain pulse ion counting electron multiplier detector and positive and negative ion detection. Analysis is by standard electron impact ionization and by appearance potential soft ionization (APSI-MS).

A software selectable mode, electron attachment mass spectrometry (EA-MS), analyzes negative ions formed within the internal ionizer by electron attachment. It provides information for investigating electronegative species, for example identifying the parent molecules of stable radicals from plasma processes.

The HPR-20 EPIC is configured for continuous analysis of gases and vapors at pressures near atmosphere in standard form, with alternative inlet systems offered for applications requiring direct sampling from higher pressures to 30 bar.

Typical applications

Atmospheric gas reaction kineticsHigh purity gas analysisGlovebox monitoring

Key Features.

  • Triple filter mass spectrometer
  • Positive and negative ion detection
  • Electron impact ionization and appearance potential soft ionization (APSI-MS)
  • Software selectable electron attachment mass spectrometry (EA-MS) mode
  • Negative ion detection with electron attachment

Specifications.

Analyzer
EPIC triple filter mass spectrometer
Ionization
Electron impact and appearance potential soft ionization (APSI-MS)
Standard inlet
Hiden QIC quartz-lined sampling interface, operating at 200°C
Response time
Less than 300 ms for most common gases and vapors, including water vapor
Sampling pressure
Near atmosphere as standard, with alternative inlet systems for direct sampling from higher pressures to 30 bar
Control software
MASsoft Professional
Negative ion mode
Software selectable electron attachment mass spectrometry (EA-MS)
Detector
High gain pulse ion counting electron multiplier, with positive and negative ion detection

Downloads.

Hiden's published documents for this instrument.

Gas analysis product catalog pdf

Related instruments.

  • HPR-20 DLS

    A gas analysis system for ultra-high resolution and sensitivity analysis of hydrogen isotopes and light gases, built around the DLS-20 triple filter quadrupole.

  • HPR-20 S1000

    A gas analysis system with a triple filter quadrupole mass spectrometer of 1000 amu mass range and detection capability of less than 5 ppb.

  • HPR-20 R&D

    A benchtop triple filter mass spectrometer for monitoring evolved gases and vapors, with improved resolution and abundance sensitivity.

  • HPR-60 MBMS

    A compact skimmer inlet molecular beam mass spectrometer for the analysis of reactive gas phase intermediates.

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