| Material(b) |
Capacity (mg/g) |
N content (mmol/g) |
Fe content (mmol/g) |
Specific surface area(c) (m2/g) |
Pore size(c) (Å) |
Particle size(c) (µm) |
| Fe-EDA-SAMMS |
157 ± 6 |
2.64 ± 0.06 |
0.224 ± 0.015 |
880 |
48 |
20-75 |
| Fe-EDA-resin |
126 ± 3 |
6.35(b) |
0.053 ± 0.005 |
N/A |
N/A |
194(d) |
| Fe-EDA-porous silica gel |
66 ± 5 |
1.98 ± 0.02 |
0.113 ± 0.014 |
500(d) |
60(d) |
40-63(d) |
| Fe-PEI-fume silica |
45 ± 5 |
6.97 ± 0.23 |
0.047 ± 0.001 |
200(e) |
N/A |
0.2-0.3(e) |
(a)Initial phosphate concentration of 3.0 g phosphate/L (from KH2PO4) in SIF (0.08 M NaCl, 0.03 M NaHCO3) pH 6.60, L/S ratio of 200 mL/g
(b)EDA-resin (StratoSpheresTM PL-EDA), EDA-porous silica gel (SiliaBond® Diamine), fumed silica (Cab-o-sil®)
(c)Specific surface area, pore size and particle size are of substrates.
(d)Data from manufacturer’s certificate of analysis
(e)Data from manufacturer’s product specification sheet
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