IonPac AS15 Hydroxide-Selective Anion-Exchange Column
For Trace-Level Concentrations of Inorganic Anions and Low-Molecular Weight Organic Acids
The IonPac? AS15 column was designed specifically for analysis of trace anions in high-purity water matrices, for the semiconductor and power generation industries. Its high capacity and selectivity enable the determination of trace-level concentrations of inorganic anions and low-molecular-weight organic acids in high-purity water matrices. The new IonPac AS15 Capillary Column is packed with the same material as the equivalent standard bore version (providing the same performance as a 4 mm column) but requires only 1/100th the eluent flow rate. The capillary format provides the advantage of significantly reduced eluent consumption, which helps reduce operating costs.
- AS15-5μm (3 × 150 mm) column for high efficiency, fast analysis (15 min)
- AS15-9μm (2 × 250, 4 × 250 mm, and 0.4 × 250 mm) columns for higher-capacity applications
- Column selectivity optimized for 30 °C operating temperature
- Superior resolution of early-eluting anions (fluoride, glycolate, acetate, and formate)
This column is ideal for use with large-loop injections. Use the AC15 concentration column for ultratrace (ppt) analyses. Use with eluent generation for simplified eluent preparation. Use the Anion Self-Regenerating Suppressor? (ASRS? 300) or the Anion Capillary Electrolytic Suppressor (ACES? 300) with the AS15 column for eluent suppression.
| IonPac? AS15 Anion-Exchange Column Specifications | |
|---|---|
| Dimensions | IonPac AS15 Capillary Column: 0.4 × 250 mm IonPac AS15 Capillary Guard Column: 0.4 × 50 mm IonPac AS15 Analytical Column: 2 × 250 mm, 3 × 150 mm, and 4 × 250 mm IonPac AG15 Guard Column: 2 × 50 mm, 3 × 30 mm, and 4 × 50 mm IonPac AC15 Concentrator Column: 2 × 50 mm and 4 × 50 mm |
| Maximum operating pressure | 4000 psi (standard or microbore) 5000 psi (capillary) |
| phase compatibility | pH 0–14; 0–100% HPLC solvents |
| Substrate characteristics | Bead Diameter: 5 ?m (3 × 150 mm), 9 ?m (0.4 × 250, 2 × 250 mm and 4 × 250 mm), 13 ?m (AC15), Pore Size: 100 ? (AS15, AG15), microporous, <10 ? (AC15) Crosslinking (%DVB): 55% |
| Latex characteristics (AC15) | Latex Crosslinking: 6% Latex Diameter: 85 nm |
| Ion-exchange group | Surface-functionalized with alkanol quaternary ammonium ion (AS15, AG15) Latex-functionalized with alkanol quaternary ammonium ion (AC15) |
| Functional group characteristics | Medium-high hydrophobicity (AS15, AG15) Very low hydrophobicity (AC15) |
| AC15 void volume | 2 × 50 mm: 9 ?L, 4 × 50 mm: 210 ?L |
| Column construction | PEEK? with 10-32 threaded ferrule-style end fittings. All components are nonmetallic. |
| Capacity | 2.25 ?eq (0.4 × 250 mm capillary column) 0.45 ?eq (0.4 × 50 mm capillary guard) 56.25 ?eq (2 × 250 mm analytical column) 11.25 ?eq (2 × 50 mm guard column) 2.2 ?eq (2 × 50 mm concentrator column) 70 ?eq (3 × 150 mm analytical column) 14 ?eq (3 × 30 mm guard column) 225 ?eq (4 × 250 mm analytical column) 45 ?eq (4 × 50 mm guard column) 9 ?eq 4 × 50 mm concentrator column) |
| Analytical Columns | |
|---|---|
| IonPac AS15 Analytical Column (4 x 250 mm) | 053940 |
| IonPac AS15 Analytical Column (2 x 250 mm) | 053941 |
| IonPac AS15-5 ?m Analytical Column (3 × 150 mm) | 057594 |
| IonPac AS15 Capillary Column (0.4 x 250 mm) | 075662 |
| Guard Columns | |
|---|---|
| IonPac AG15 Guard Column (4 x 50 mm) | 053942 |
| IonPac AG15 Guard Column (2 x 50 mm) | 053943 |
| IonPac AS15-5 ?m Guard Column (3 × 30 mm) | 057597 |
| IonPac AG15 Capillary Guard Column (0.4 x 50 mm) | 075663 |
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