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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 | 250 |
| Brand | IonPac AS7 | Internal Diameter | 2.0 |
| Modifification | Quaternary ammonium | Max Pressure | 4000 |
| Mode | Anion-Exchange | pH stability from | 0.0 |
| Particle Size | 10.0 | pH stability to | 14.0 |
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