Table 2.
Textural parameters of MBGs as powders and after being processed into disks (SBET: BET surface area, VP: pore volume and DP pore diameter). MBGs composition (atom-%) determined by EDS is also included. Standard deviations were omitted for simplifcation, but they were for all the values inferior to 7%.
Sample | Powders | Disks | Composition (atomic-%) | |||||||
---|---|---|---|---|---|---|---|---|---|---|
SBET(m2g−1) | Vp (cm3g−1) | DP (nm) | SBET(m2g−1) | Vp (cm3g−1) | DP (nm) | Si | P | Ca | Cu | |
0% Cu_HNO 3 | 301 | 0.41 | 6.7 | 261 | 0.35 | 6.7 | 89.6 | 2.2 | 8.2 | 0 |
2.5% Cu_HNO 3 | 275 | 0.38 | 6.2 | 228 | 0.31 | 6.2 | 85.8 | 4.4 | 7.2 | 2.7 |
5% Cu_HNO 3 | 261 | 0.35 | 6.1 | 216 | 0.28 | 6.2 | 82.3 | 2.4 | 8.3 | 5.3 |
0% Cu_HCl | 218 | 0.40 | 8.8 | 211 | 0.38 | 8.8 | 85.4 | 7.1 | 7.5 | 0 |
2.5% Cu_HCl | 295 | 0.46 | 8.4 | 288 | 0.44 | 8.8 | 80.6 | 10.2 | 7.6 | 1.6 |
5% Cu_HCl | 290 | 0.47 | 8.8 | 282 | 0.45 | 8.9 | 80.7 | 8.4 | 8.6 | 2.4 |