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PolyCAT A is a silica-based material with a bonded coating of polyaspartic acid. It is a weak cation-exchange (WCX) material. This phase can be used for proteins with an isoelectric point of >6.0.
Modification | Particle size | Pore size |
Aspartic acid | 2, 3, 5, 12 µm | 300, 1000, 15000 Å |
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