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Dependable, Economical
Ion-Exclusion Columns

Rezex HPLC Information


Excellent Resolution and Reproducibility for Carbohydrates and Organic Acids

Rezex™ HPLC ion-exclusion columns achieve reproducible, accurate separations based on multiple modes of interaction. Available in 4 % and 8 % cross-linked sulfonated styrene-divinylbenzene (SDVB) and multiple ionic forms for a wide range of selectivities. USP L17, L19, L22, L34, and L58 packings available.

Use Rezex for carbohydrate, oligosaccharide, and organic acid separations:

  • bioethanol monitoring
  • drug formulation and excipient analysis
  • food and beverage quality control testing

 

*Recommended alternative to Bio-Rad® Aminex®, Supelco® SUPELCOGEL™, and Waters® Sugar-Pak™.

ROA-Organic Acid H+ (8%)


Particle Sizes (µm)8
USP DesignationL17, L22
Back Pressure (PSI) Max1000
Compare All Phases

ROA-Organic Acid H+ (8%) Phase Information


  • 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

  • Achieve excellent base line separation between Dp3 and Dp4+

  • USP L22
Internal Diameter: Length:
PhaseParticle Sizes (µm)USP Design
ation
Back Pressure
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Max
Recommended Use
Document Type:
Document Type Title
Other Essential Guide for Biofuel Analysis Add to My Documents
Brochures Extend your Analytical and Preparative HPLC/ SFC Column Lifetimes Add to My Documents
Technical Notes Fast Analysis of Sucrose, Glucose, and Fructose Composition in Fruit Juices and Processed Beverages (TN-1182) Add to My Documents
Technical Notes Optimizing Pharmacopoeia (Ph. Eur. & USP) Monographs of Sugar Alcohol Excipients Add to My Documents
Other Pharmaceutical Analysis Guide- Formulations Add to My Documents
Brochures Rezex for Carbohydrate, Oligosaccharide,and Organic Acid Separations Add to My Documents
MSDS Safety Data Sheet for Polymer-Based HPLC Columns (SDVB) Ion Exchange Add to My Documents
Technical Notes Fast Analysis of Sucrose, Glucose, and Fructose Composition in Fruit Juices and Processed Beverages using Simplified HPLC Methodology (TN-1182) Add to My Documents
Technical Notes Faster Real-Time Response to Bacterial Infection of Bioethanol Fermentation using a Short Rezex™ ROA Column (TN-1087) Add to My Documents
Technical Notes Sugar Alcohol Excipients by Ion Exclusion HPLC (TN-1054) Add to My Documents
Supporting Docs Allowable Adjustments to Pharmacopoeia Methods Add to My Documents
Supporting Docs Bioethanol Fermentation Monitoring with Rezex ROA-Organic Acid Add to My Documents
Supporting Docs Retention Times for Carbohydrates & Sugar Alcohols with Rezex Columns Add to My Documents
Supporting Docs Rezex Specifications and Operating Recommendations Add to My Documents
Supporting Docs HPLC Column Care Guide Add to My Documents
Phase: Particle Size: Pore Size: Length: Internal Diameter:
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Part Number:00G-0138-E0

Description:Rezex™ ROA-Organic Acid H+ (8%), LC Column 250 x 4.6 mm, Ea

Required Holder:

Stationary Phase:8 % Cross-linked resin hydrogen ionic form

Solid Support:Sulfonated Styrene Divinyl Benzene

Format:Column

Separation Mode:Ion Exclusion

Recommended Use:Separation of organic acids alone or in combination with carbohydrates, alcohols, fatty acids, or neutral compounds

USP Designation:L17, L22


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