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The Thermo Scientific™ Dionex™ IonPac™ ATC-3 and ATC 500 Anion Trap Columns contain a high-capacity, low-efficiency, anion-exchange resin in the hydroxide form. The columns strip trace contaminants from hydroxide or borate eluents. The traps are installed in the eluent line prior to the injection valve to prevent spurious peaks during gradient chromatography and to minimize baseline shifts during gradient operation. In an RFIC-EG system the traps can be placed between the Thermo Scientific Dionex EGC cartridge outlet and the injection valve. In this configuration the Dionex IonPac ATC-3 and ATC 500 are ideally suited to gradient RFIC-EG eluents due to their low dead volume. The Dionex IonPac ATC 500 supports HPIC™ system pressures up to 5000 psi (34.5 MPa).
| IonPac ATC Anion Trap Column Specifications | |
|---|---|
| ATC 500 Specifications | |
| Dimensions | 9 × 24 mm (4 mm applications) 4 × 35 mm (2 mm applications) |
| phase compatibility | 0–50% HPLC solvents |
| Substrate characteristics | Bead Diameter: 55 µm Cross-Linking (%DVB): 8% |
| Functional group characteristics | Ion-Exchange Group: Quaternary ammonium Hydrophobicity: Low |
| Capacity | 1.5 meq (9 × 24 mm, 4 mm applications) 0.35 meq (4 × 35 mm, 2 mm applications) |
| Max. Operating Pressure | 34.5 MPa (5000 psi) |
| ATC-3 Specifications | |
| Dimensions | 9 × 24 mm (4 mm applications) 4 × 35 mm (2 mm applications) |
| phase compatibility | 0–50% HPLC solvents |
| Substrate characteristics | Bead Diameter: 55 µm Cross-Linking (%DVB): 8% |
| Functional group characteristics | Ion-Exchange Group: Quaternary ammonium Hydrophobicity: Low |
| Capacity | 1.5 meq (9 × 24 mm, 4 mm applications) 0.35 meq (4 × 35 mm, 2 mm applications) |
| Max. Operating Pressure | 20.7 MPa (3000 psi) |