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IonPac AS25 Hydroxide-Selective Anion-Exchange Column美國戴安Dionex
Thermo Scientific Dionex IonPac? AS25 Anion-Exchange Column Specifications | |
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Dimensions | Dionex IonPac AS25 Analytical Column: 2 × 250 mm and 4 × 250 mm Dionex IonPac AG25 Guard Column: 2 × 50 mm and 4 × 50 mm Dionex IonPac AS25 Capillary Column: 0.4 × 250 mm Dionex IonPac AG25 Capillary Guard Column: 0.4 × 50 mm |
Maximum Operating Pressure | 4000 psi (microbore and standard bore) 5000 psi (capillary) |
Phase Compatibility | pH 0–14; 0–100% HPLC solvents |
Substrate Characteristics | Bead Diameter: 7.5 μm Pore Size: 2000 ? super macroporous resin Crosslinking (%DVB): 55% |
Ion-Exchange Group | Functional Group: Alkanol quaternary ammonium ion Hydrophobicity: Ultralow |
Capacity | 3.5 μeq (0.4 × 250 mm capillary column) 0.035 μeq* (0.4 × 50 mm capillary guard column) 87.5 μeq (2 × 250 mm analytical column) 0.875 μeq* (2 × 50 mm guard column) 350 μeq (4 × 250 mm analytical column) 3.5 μeq* (4 × 50 mm guard column) *Guards are packed with a low capacity microporous resin |
Column Construction | PEEK? with 10-32 threaded ferrule style end fittings. All components are nonmetallic. |
Analytical Columns | |
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IonPac AS25 Capillary Column (0.4 x 250 mm) | 076012 |
IonPac AS25 Analytical Column (4 x 250 mm) | 076014 |
IonPac AS25 Analytical Column (2 x 250 mm) | 076016 |
Guard Columns | |
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IonPac AG25 Capillary Guard Column (0.4 x 50 mm) | 076013 |
IonPac AG25 Guard Column (4 x 50 mm) | 076015 |
IonPac AG25 Guard Column (2 x 50 mm) | 076017 |
IonPac AS25 Hydroxide-Selective Anion-Exchange Column美國戴安Dionex,umn美國戴安Dionex