目錄:上海希言科學(xué)儀器有限公司>>美國戴安Dionex>> 083217Dionex IonPac AS19-4um 氫氧化物選擇性陰離子交換柱美國戴安Dionex
| Dionex IonPac AS19-4?m Anion-Exchange Column Specifications | |
|---|---|
| Dimensions | Dionex IonPac AS19-4?m Analytical Column: 2 × 250 mm and 4 × 250 mm Dionex IonPac AG19-4?m Guard Column: 2 × 50 mm and 4 × 50 mm Dionex IonPac AS19-4?m Capillary Column: 0.4 × 250 mm Dionex IonPac AG19-4?m Capillary Guard Column: 0.4 × 50 mm |
| Maximum operating pressure | 5000 psi (standard and microbore) 5000 psi (capillary) |
| Ion-exchange group | Functional Group: Alkanol quaternary ammonium ion |
| Functional group characteristics | Ultralow hydrophobicity |
| Capacity | 2.4 ?eq (0.4 × 250 mm capillary column) 0.06 ?eq* (0.4 × 50 mm capillary guard column) 60 ?eq (2 × 250 mm analytical column) 1.5 ?eq* (2 × 50 mm guard column) 240 ?eq (4 × 250 mm analytical column) 6 ?eq* (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: 4 ?m (0.4 x 250, 2 × 250 and 4 × 250 mm); super macroporous resin (2000 ?) 11 ?m (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 | |
|---|---|
| Dionex IonPac AS19-4?m Analytical Column (4 × 250 mm) | 083217 |
| Dionex IonPac AS19-4?m Analytical Column (2 × 250 mm) | 083223 |
| Dionex IonPac AS19-4?m Capillary Column (0.4 × 250 mm) | 083230 |
| Guard Columns | |
|---|---|
| Dionex IonPac AG19-4?m Guard Column (4 × 50 mm) | 083221 |
| Dionex IonPac AG19-4?m Guard Column (2 × 50 mm) | 083225 |
| Dionex IonPac AG19-4?m Capillary Guard Column (0.4 × 50 mm) | 083233 |
Dionex IonPac AS19-4um 氫氧化物選擇性陰離子交換柱美國戴安Dionex，
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