AMBERLYST™ A21 Ion Exchange Resin is a bead-form, weak base anion exchange resin developed for the removal of acidic materials from product streams. AMBERLYST™ A21 is supplied in the water-moist, free base (FB) form. After proper solvent conditioning, it can be used directly to remove acidic materials from any organic streams where the pKa value is > 4.75. AMBERLYST™ A21 is also used in adsorption of SO2 from gas streams.
| Weight | 20 kg |
|---|---|
| Dimensions | 200 × 350 × 400 cm |
| Functional Group | Secondary amine (≥ 85%) |
| PhysicalForm | Beige, opaque, spherical beads |
| Ionic Form as Shipped | Free base (FB) |
| Total Exchange Capacity | – |
| Water Retention Capacity | 56 – 62% |
| Particle Diameter | 490 – 690 |
| Shipping weight g/L | 660 |
| Temperature Range | 100°C (210°F) |
| pH Range | 0 – 14 |
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