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

