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Dionex IonPac AS19-4µm Hydroxide-Selective Anion-Exchange Column

Dionex IonPac AS19-4µm Hydroxide-Selective Anion-Exchange Column

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Product Description

Dionex IonPac AS19-4µm Anion-Exchange Column Specifications
DimensionsDionex IonPac AS19-4µm Analytical Column:
2 × 250 mm and 4 × 250 mm
Dionex IonPac AG19-4µm Guard Column:
2 × 50 mm and 4 × 50 mm

Dionex IonPac AS19-4µm Capillary Column:
0.4 × 250 mm
Dionex IonPac AG19-4µm Capillary Guard Column:
0.4 × 50 mm
Maximum operating pressure5000 psi (standard and microbore)
5000 psi (capillary)
Ion-exchange groupFunctional Group: Alkanol quaternary ammonium ion
Functional group characteristicsUltralow hydrophobicity
Capacity2.4 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 constructionPEEK with 10-32 threaded ferrule-style end fittings.
All components are nonmetallic.
Substrate characteristicsBead Diameter and Pore Size: 4 µm (0.4 x 250, 2 × 250 and 4 × 250 mm);
super macroporous resin (2000 Å)
11 µm (0.4 x 50, 2 × 50 and 4 × 50 mm);
microporous resin (<1 Å)
Cross-Linking (%DVB): 55%
Mobile phase compatibilitypH 0–14; 0–100% HPLC solvents

NATIONAL ANALYTICAL CORPORATION

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