| matrix |
1% cross-linked polystyrene |
| |
cross-linked polystyrene beads |
| matrix active group |
iminodiacetic acid (sodium form) |
| |
paired iminodiacetate groups |
| matrix attachment |
through methyl group to aromatic rings |
| particle size |
50-100 mesh (dry) |
| pH range |
4 - 14 |
| capacity |
0.4 meq/mL binding capacity |
| |
0.6 meq/g binding capacity (heavy metal ions) |