MPIC suppression mode - ERD 500 - ERS 500e - ERS 500 Carbonate - DRS 600 - MPIC suppression mode - ERD 500 - ERS 500e - ERS 500 Carbonate - DRS 600

Dionex DRS 600 / ERS 500e / ERS 500 Carbonate Suppressors User Guide
Product Tree
Chromatography > Ion Chromatography > Suppressors > ERD 500
Chromatography > Ion Chromatography > Suppressors > ERS 500e
Chromatography > Ion Chromatography > Suppressors > ERS 500 Carbonate
Chromatography > Ion Chromatography > Suppressors > DRS 600
Document Type
User Guide
  • Dionex DRS 600 / ERS 500e / ERS 500 Carbonate Suppressors
  • Special notices, symbols, and cautions
  • Copyright and trademarks
  • Introduction
  • Dynamically regenerated suppressors
  • Suppressor design
  • Suppression and neutralization modes
  • Select an operation mode
  • AutoSuppression recycle mode
  • AutoSuppression external water mode
  • MPIC suppression mode
  • Anion MPIC
  • Cation MPIC
  • Neutralization mode
  • Neutralization theory
  • Trace ion analysis after neutralization
  • Shipment and storage
  • Installation
  • System requirements
  • Electrolytically regenerated suppressor control
  • Dionex reagent-free controller
  • Assemble back pressure coils
  • Assemble the gas separator waste tube
  • Calculate the electrical current for the suppressor
  • Operating DRS 600 suppressor with Chromeleon
  • Firmware and software requirements
  • Program the DRS 600 suppressor with Chromeleon
  • Change the mode in the e-panel with ICS 6000
  • Change the mode in the Chromeleon Settings with ICS 6000
  • Operate the DRS 600 with a method (Integrion and ICS 6000)
  • Operation
  • Chemical purity requirements
  • Inorganic chemicals
  • Solvents
  • Deionized water
  • Start-up
  • Hydration
  • Troubleshoot flow restriction or blockage
  • Configure a new suppressor
  • Eluent flow path connections in the AutoSuppression Recycle Mode
  • Regenerant flow path connections in the AutoSuppression Recycle Mode
  • Installation in thermal chamber
  • Plumbing for the AutoSuppression External Water Mode
  • Eluent flow path connections for the AutoSuppression External Water Mode
  • Regenerant flow path connections in the AutoSuppression External Water Mode
  • Regenerant flow path connections in the Auto Suppression External Water Mode with peristaltic pump
  • Dionex SRD-10 Suppressor Regenerant Detector
  • Plumbing for Chemical Suppression Mode
  • Plumbing for MPIC Suppression Mode
  • Eluent flow path connections in MPIC Suppression Mode
  • Regenerant flow path connections in MPIC Suppression Mode using pressurized water delivery system
  • MPIC Suppression Mode Operation
  • Anion MPIC
  • Cation MPIC
  • Plumbing for Neutralization Mode
  • Sample liquid line connections for Dionex DRS 600 in Neutralization Mode
  • Regenerant liquid line connections for Dionex DRS 600 in Neutralization Mode
  • Install and regenerate the pump trap column
  • Operating in Neutralization Mode
  • Prepare the suppressor for storage
  • Short-term storage (3 to 7 days)
  • Long-term storage (more than 7 days)
  • Example Neutralizer Mode applications
  • Anion system blank
  • Cation system blank
  • Condition the Dionex CDRS 600
  • System calibration
  • Analysis of acid samples containing high concentrations of transition metals
  • Anion example applications
  • Dionex IonPac® AS11 Gradient
  • Dionex IonPac AS11 Gradient Analysis of 10% Sodium Hydroxide
  • Dionex IonPac AS12A Isocratic Analysis of 25% Sodium Hydroxide
  • Dionex IonPac AS12A Isocratic Analysis of 20% Ammonium Hydroxide
  • Dionex IonPac AS12A Isocratic Analysis of 25% Tetramethylammonium Hydroxide
  • IonPac AS12A Isocratic Analysis of 25% Tetrabutylammonium Hydroxide
  • Cation example applications
  • Dionex IonPac CS12A Blank and Standard Analysis
  • Dionex IonPac CS12A Analysis of 24% Sulfuric Acid
  • Dionex IonPac CS12A Analysis of 25% Acetic Acid
  • Dionex IonPac CS12A Analysis of 10% Hydrofluoric Acid
  • Dionex IonPac CS12A Analysis of 22% Phosphoric Acid
  • Troubleshooting
  • Electrolytically regenerated suppressor displays an alarm state
  • Small or increasing analyte peak areas
  • Suppressor chemical regeneration
  • Suppressor electrolytic regeneration
  • Full or extended regeneration
  • High background conductivity
  • Drifting baseline
  • Noisy baseline
  • Decreased sensitivity for all analytes
  • Decreased sensitivity for magnesium and calcium only (CDRS 600 and CERS 500e suppressors)
  • System back pressure increases over time
  • Liquid leaks
  • Poor or unstable recovery of certain peaks
  • Peaks and spikes in the absence of an injection
  • Low sample response (Neutralization Mode only)
  • Low neutralization capacity (Neutralization Mode only)
  • Cleaning the suppressors
  • Metal contaminants or precipitates
  • Organic contaminants
  • Current settings
  • Optimum current settings for common eluents for Dionex ADRS 600 (4 and 2 mm) and Dionex AERS 500e (4 and 2 mm)
  • Optimum current settings for common eluents for Dionex AERS 500 Carbonate (4 and 2 mm)
  • Optimum current settings for common eluents for Dionex CDRS 600 (4 mm and 2 mm) and Dionex CERS 500e (4 mm and 2 mm)

The MPIC suppression mode can be used for both cation and anion applications.

  • Anion MPIC
  • Cation MPIC
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