by Dionex
The IonPac® ICE-AS1 ion-exclusion column provides fast analysis of aliphatic organic acids and alcohols in complex or high-ionic-strength samples, including foods and beverages, biological samples, fermentation baths, industrial process liquors, and wastewaters.
With the IonPac ICE-AS1 column, weakly ionized acids are separated by pKa differences, size, and hydrophobicity. Strong acid anions such as chloride, oxalate, and sulfate elute in the void and do not interfere with quantification of the organic acids. The ICE-AS1 column can be used with any typical strong acid eluent and a wide variety of detectors, including conductivity, amperometry, photometry, and refractive index, to determine aliphatic organic acids.
| Vendor | Dionex | Length | 250 |
| Brand | IonPac ICE-AS1 | Internal Diameter | 4.0 |
| Modifification | Sulfonic acid | Max Pressure | 1400 |
| Mode | Size Exclusion | pH stability from | 0.0 |
| Particle Size | 7.5 | pH stability to | 7.0 |
| Vendor | Brand | Mode | Modification | Int. diam. | Length | Particles | Pores | Price |
|---|---|---|---|---|---|---|---|---|
| Nacalai | COSMOSIL CNT-300 | Size Exclusion | Silica/ Hydrophilic group | 7.5 mm | 300 mm | 5.0 μm | 300 Å | 2,500.00 |
| Nacalai | COSMOSIL CNT-1000 | Size Exclusion | Silica/ Hydrophilic group | 7.5 mm | 300 mm | 5.0 μm | 1000 Å | 2,500.00 |
| Nacalai | COSMOSIL CNT-2000 | Size Exclusion | Silica/ Hydrophilic group | 7.5 mm | 300 mm | 5.0 μm | 2000 Å | 2,500.00 |
| Dionex | IonPac ICE-AS1 | Size Exclusion | Sulfonic acid | 9.0 mm | 250 mm | 7.5 μm | — | On request |
| Dionex | IonPac ICE-AS6 | Size Exclusion | Sulfonic acid / Carboxylic acid | 9.0 mm | 250 mm | 8.0 μm | — | On request |
| Dionex | IonPac ICE-Borate | Size Exclusion | Sulfonic acid | 9.0 mm | 250 mm | 7.5 μm | — | On request |
| Dionex | MAbPac SEC-1 | Size Exclusion | Proprietary diol | 4.0 mm | 300 mm | 5.0 μm | 300 Å | On request |
| Dionex | MAbPac SEC-1 | Size Exclusion | Proprietary diol | 4.0 mm | 150 mm | 5.0 μm | 300 Å | On request |
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