Phenomenex Rezex ROA-Organic Acid H+ (8%) IEX HPLC ColumnsRezex ROA-Organic Acid H⁺ (8%) is an ion-exclusion HPLC column for simultaneous analysis of organic acids, sugars, and alcohols, ideal for bioethanol fermentation monitoring in a single run.
Features

Phenomenex Rezex ROA-Organic Acid H+ (8%) IEX HPLC Columns

Key Features of the Rezex ROA-Organic Acid H+ (8%) Ion Exclusion HPLC Column:

  • 8% cross-linked hydrogen
  • For use with organic acids in combination with carbohydrates, alcohols, fatty acids, neutral compounds; amino sugars
  • Uniquely suited to monitor starches, sugars, organic acids, and ethanol in one run for bioethanol fermentation analysis
  • Applications
    • Organic acids in combination with carbohydrates, alcohols, fatty acids, or neutral compounds
    • Ethanol, acetic acid, glycerol, and standard alcohol mixtures
    • Amino sugars
  • Achieve excellent base line separation between Dp3 and Dp4+

Specifications and Operating Recommendations

  • Part No.: 00H-0138-K0
  • Ionic Form: Hydrogen
  • Standard Dimensions: 300 x 7.8 mm
  • Matrix: Sulfonated Styrene Divinyl Benzene
  • Cross Linking: 8 %
  • Particle Size (μm): 8
  • Min. Efficiency (p/m) based on last peak: 50,000
  • Typical Pressure (psi @ Testing Flow Rate): 580
  • Max. Pressure (psi @ Max Flow Rate): 1,000
  • Max. Flow Rate (mL/min): 1.0
  • Max. Temperature (°C): 85
  • Typical Mobile Phase: 0.005 N H2SO4
  • pH Range: 1-8
  • Guard Column Part: 03B-0138-K0

Cleaning, Regeneration and Storage     

  • Organic Modifiers (Max): 5 % Methanol, IPA, EtOH
  • Inorganic Modifiers: 5 % HNO3, H3PO4
  • Avoid: Acids, Bases, Salts or Metal Ions, pH > 3, > 30 % Acetonitrile
  • Cleaning Solvent: 100 % Water
  • Flow Rate(mL/min): 0.4
  • Temperature (°C): 85
  • Duration (hrs): 12
  • Regeneration Solvent: 0.025 M H2SO4
  • Flow Rate (mL/min): 0.2
  • Duration (hrs): 4-16
  • Ship/Storage Solvent: 0.005 M H2SO4

Cross Reference Guide

  • Bio-Rad® Aminex®: HPX-87H (125-0140)
  • Supelco® Supelcogel™: Supelcogel (C-610H & H)   
  • Waters® SugarPak™: N/A
  • Transgenomic® CARBOSep™: N/A
  • Sepax® Carbomi®: N/A
 

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