Table 1.
Physicochemical properties of Dowex M 4195, Amberlite IRA 743 and Purolite Arsen Xnp.
| Properties | Dowex M 4195 | Amberlite IRA 743 | Purolite Arsen Xnp |
|---|---|---|---|
| Appearance | dark green | white | reddish-brown |
| Matrix | ST-DVB | ST-DVB | ST-DVB |
| Structure | macroporous | macroporous | macroporous |
| Functional groups | bis-picolylamine, bis(2-pyridyl-methyl) amine |
N-methyl- D-glucamine (free base form) |
sulfonic acid groups/hydrated iron oxide nanoparticles |
| Size (mm) | 0.300–0.8500 | 0.500–0.700 | 0.300–1.200 |
| pH range | 0–14 | 0–14 | 4–9 |
| Max temp. (°C) | 80 | 75 | 80 |
| SBET (m2/g) | 3.2 | 14.5 | 7.1 |
| pHZPC | 2.4 | 8.00 | 8.31 |
| Total capacity (eq/L) | 1.4 (6 g Cu(II)/L) | 0.7 | 0.8 |