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% |
Mobile phase compatibility | pH 0–14; 0–100% HPLC solvents |