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| Rezex |
Description |
Applications |
Bio-Rad Aminex |
Supelco Supelcogel |
Waters Sugar-Pak |
Transgenomic CARBOSep |
Sepax Carbomi |
| ROA-Organic Acid (USP L22 packing) |
8% cross-linked HYDROGEN |
Organic acids alone — Organic acids in combination with carbohydrates, alcohols, fatty acids, or neutral compounds — Ethanol, acetic acid, glycerol, and standard alcohol mixtures — Amino sugars |
HPX-87H 125-0140 |
Supelcogel C-610H & H |
N/A |
N/A |
N/A |
Sharper Peak Shape = Easy & Accurate Quantitation
Organic Acids in Wine
| Columns: Rezex ROA-Organic Acid Aminex HPX-87H |
| Dimension: 300 x 7.8 mm |
| Mobile Phase: 0.005 N H2SO4 |
| Flow Rate: 0.5 mL/min |
| Temperature: 40 °C |
| Detection: UV @ 210 nm |
| Sample: 1. Citric acid 2. Tartaric acid 3. Succinic acid 4. Lactic acid 5. Acetic acid |
Lower Backpressure = Longer Column Lifetimes and Faster Run Time Capability
Aliphatic Acids
Aminex and Bio-Rad are registered trademarks of Bio-Rad Laboratories, Inc. Comparative separations may not be representative of all applications.
| Columns: Rezex ROA-Organic Acid Aminex HPX-87H |
| Dimension: 300 x 7.8 mm |
| Mobile Phase: 0.005 N H2SO4 |
| Flow Rate: 0.5 mL/min |
| Temperature: 40 °C |
| Detection: UV @ 210 nm |
| Sample: 1. Oxalic acid 2. Citric acid 3. Tartaric acid 4. Succinic acid 5. Formic acid 6. Acetic acid |
Food and Beverage
White Wine
| Columns: Rezex ROA-Organic Acid Aminex HPX-87H |
| Dimension: 300 x 7.8 mm |
| Part No.: 00H-0138-K0 |
| Mobile Phase: 0.005 N H2SO4 |
| Flow Rate: 0.5 mL/min |
| Temperature: 40 °C |
| Detection: UV @ 210 nm |
| Sample: 1. Oxalic acid 2. Citric acid 3. Tartaric acid 4. Succinic acid 5. Formic acid 6. Acetic acid |
Bioethanol
| Column: Rezex ROA-Organic Acid |
| Dimension: 300 x 7.8 mm |
| Part No.: 00H-0138-K0 |
| Mobile Phase: 0.005 N Sulfuric Acid |
| Flow Rate: 0.6 mL/min |
| Temperature: 60 °C |
| System: RI @ 40 °C |
| Detection: Shimadzu Prominence LC-20A System |
| Sample: 1. Dp4+ 2. Dp3 3. Maltose 4. Glucose 5. Lactic Acid 6. Glycerol 7. Acetic Acid 8. Ethanol |
| Column: Rezex ROA-Organic Acid |
| Dimension: 150 x 7.8 mm |
| Part No.: 00F-0138-K0 |
| Mobile Phase: 0.005 N Sulfuric Acid |
| Flow Rate: 0.6 mL/min |
| Temperature: 60 °C |
| System: RI @ 40 °C |
| Detection: Shimadzu Prominence LC-20A System |
| Sample: 1. Dp4+ 2. Dp3 3. Maltose 4. Glucose 5. Lactic Acid 6. Glycerol 7. Acetic Acid 8. Ethanol |
Saccharides
Monosaccharides with Organic Acids
| Column: Rezex ROA-Organic Acid |
| Dimension: 300 x 7.8 mm |
| Part No.: 00H-0138-K0 |
| Mobile Phase: 0.1% formic acid |
| Flow Rate: 0.5 mL/min |
| Temperature: 75 °C |
| System: ELSD |
| Sample: 1. Citric acid 2. Tartaric acid 3. Glucose 4. Fructose 5. Succinic acid |
Alcohols
Carboxylic Acids
| Column: Rezex ROA-Organic Acid |
| Dimension: 300 x 7.8 mm |
| Part No.: 00H-0138-K0 |
| Mobile Phase: Water + 0.5% Trifluoroacetic Acid |
| Flow Rate: 1.0 mL/min |
| Temperature: 40 °C |
| System: RI |
| Sample: 1. Acetylene Carboxylic Acid 2. Maleic Acid 3. Succinic Acid 4. Fumaric Acid |
Monosaccharides with Organic Acids
| Column: Rezex ROA-Organic Acid |
| Dimension: 300 x 7.8 mm |
| Part No.: 00H-0138-K0 |
| Mobile Phase: 1% Phosphoric Acid |
| Flow Rate: 0.6 mL/min |
| Temperature: Ambient |
| System: RI |
| Sample: 1. Glucose 2. N-Acetylglucose 3. N-Acetylgalactosamine |
Applications (partial list)
Call us for assistance in selecting the right column for your needs!
| Compound |
App ID No. |
| Acetic Acid |
5515 |
| Acetylene Carboxylic Acid |
5517 |
| Ethanol |
5512 |
| Formic Acid |
5512 |
| Fumaric Acid |
5517 |
| Glucose |
5514 |
| Isopropanol |
5512 |
| Maleic Acid |
5517 |
| Compound |
App ID No. |
| Methanol |
5512 |
| n-Butanol |
5512 |
| n-Propanol |
5512 |
| n-Acetylgalactosamine |
5514 |
| n-Acetylglucose |
5514 |
| Oxalic Acid |
5515 |
| sec-Butanol |
5512 |
| Succinic Acid |
5515 |
Specifications and Operating Recommendations
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