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IonPac AS19 陰離子交換色譜柱離子分析柱美國(guó)戴安Dionex
| IonPac AS19 Anion-Exchange Column Specifications | |
|---|---|
| Dimensions | IonPac AS19 Analytical Column: 2 × 250 mm and 4 × 250 mm IonPac AG19 Guard Column: 2 × 50 mm and 4 × 50 mm IonPac AS19 Capillary Column: 0.4 × 250 mm IonPac AG19 Capillary Guard Column: 0.4 × 50 mm |
| Maximum operating pressure | 4000 psi (standard and microbore) 5000 psi (capillary) |
| Ion-exchange group | Functional Group: Alkanol quaternary ammonium ion |
| Functional group characteristics | Ultralow hydrophobicity |
| Capacity | 2.4 μeq (0.4 × 250 mm capillary column) 0.06 μeq* (0.4 × 50 mm capillary guard column) 60 μeq (2 × 250 mm analytical column) 1.5 μeq* (2 × 50 mm guard column) 240 μeq (4 × 250 mm analytical column) 6 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. |
| Substrate characteristics | Bead Diameter and Pore Size: 7.5 μm (0.4 x 250, 2 × 250 and 4 × 250 mm); super macroporous resin (2000 ?) 12 μm (0.4 x 50, 2 × 50 and 4 × 50 mm); microporous resin (<1 ?) Cross-Linking (%DVB): 55% |
| phase compatibility | pH 0–14; 0–100% HPLC solvents |
| Analytical Columns | |
|---|---|
| IonPac AS19 Analytical Column (4 x 250 mm) | 062885 |
| IonPac AS19 Analytical Column (2 x 250 mm) | 062886 |
| IonPac AS19 Capillary Column (0.4 x 250 mm) | 072064 |
| Guard Columns | |
|---|---|
| IonPac AG19 Guard Column (4 x 50 mm) | 062887 |
| IonPac AG19 Guard Column (2 x 50 mm) | 062888 |
| IonPac AG19 Capillary Guard Column (0.4 x 50 mm) | 072065 |
IonPac AS19 陰離子交換色譜柱離子分析柱美國(guó)戴安Dionex，
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