by Dionex
The IonPac® AS7 separates a wide variety of polyvalent anions, including polyphosphates, polyphosphonates, and other polyvalent complexing agents such as EDTA and NTA using acidic eluent (eliminating metal interferences) with postcolumn derivatization and UV-Vis detection.
The AS7 column has a unique polymer packing that provides superior performance for separating ionic and polar compounds. The patented packing offers high speed, high efficiency, and high loading capacity at moderate backpressures.
| Vendor | Dionex | Length | |
| Brand | IonPac AS7 | Internal Diameter | |
| Modifification | Quaternary ammonium | Max Pressure | 4000 |
| Mode | Anion-Exchange | pH stability from | 0.0 |
| Particle Size | pH stability to | 14.0 |
| Vendor | Brand | Mode | Modification | Int. diam. | Length | Particles | Pores | Price |
|---|---|---|---|---|---|---|---|---|
| Dionex | IonSwift MAX-100 | Anion-Exchange | Quaternary ammonium | 1.0 mm | 250 mm | Monolithic μm | — | On request |
| Dionex | DNAPac PA-100 | Anion-Exchange | Quaternary ammonium | 2.0 mm | 250 mm | 13.0 μm | — | On request |
| Dionex | CarboPac PA200 | Anion-Exchange | Quaternary ammonium | 3.0 mm | 250 mm | 5.5 μm | — | On request |
| Dionex | IonPac AS20 | Anion-Exchange | Quaternary ammonium | 2.0 mm | 250 mm | — | — | On request |
| Dionex | ProPac PA1 | Anion-Exchange | Quaternary ammonium | 9.0 mm | 250 mm | 10.0 μm | — | On request |
| Dionex | IonPac AS11 | Anion-Exchange | Quaternary ammonium | 4.0 mm | 250 mm | 13.0 μm | — | On request |
| Dionex | CarboPac PA20 | Anion-Exchange | Quaternary ammonium | 3.0 mm | 150 mm | 6.5 μm | — | On request |
| Dionex | IonPac AS18 | Anion-Exchange | Quaternary ammonium | 0.4 mm | 150 mm | 7.5 μm | 2000 Å | On request |
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