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Rezex™ is a specialized range of Phenomenex HPLC columns designed for accurate and reproducible analysis of carbohydrates, sugars, sugar alcohols, oligosaccharides, organic acids, and other compounds. The columns are engineered for a wide range of applications in the food and beverage industry, bioethanol production, pharmaceutical manufacturing, and quality control.
With a broad selection of stationary phases and counter ions, Rezex™ allows users to select the appropriate selectivity for a specific analytical challenge and achieve reliable separation of complex samples.
Key Advantages
• High Separation Efficiency
Rezex™ columns provide high efficiency and excellent separation of critical sample components, including baseline resolution in challenging mixtures.
• Sharper, More Symmetrical Peaks
Improved peak shape simplifies identification and quantitation, supporting more accurate and reliable analytical results.
• Lower Backpressure
The 8% cross-linked materials combine excellent mechanical strength and durability with low system backpressure. This can contribute to longer column lifetime and enable faster analytical run times.
• Long Column Lifetime
The robust polymeric matrix provides reliable performance and extended column lifetime under appropriate operating conditions.
• Broad Range of Selectivities
Rezex™ columns utilize multiple separation mechanisms, including ion exchange, ion exclusion, size exclusion, reversed phase, and partition. This provides flexibility for optimizing separation according to the sample composition.
• One Platform for Multiple Applications
Depending on the selected phase, Rezex™ columns can be used for the analysis of monosaccharides, disaccharides, trisaccharides, oligosaccharides, sugar alcohols, organic acids, alcohols, and other compounds.
Main Applications
- Food & Beverages: analysis of sugars, organic acids, sugar alcohols, juices, honey, wines, and other food matrices.
- Bioethanol & Fermentation: monitoring carbohydrates, organic acids, ethanol, and other fermentation products.
- Pharmaceuticals: analysis of excipients, carbohydrates, and components of pharmaceutical formulations.
- Quality Control: accurate quantitation of sugars and other polar compounds in finished products.
- Oligosaccharide Analysis: high-resolution separation of compounds with different degrees of polymerization.
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