Silica type | HDMSO Molarity (M) | x/y | Enthalpy (MJ/kg) | SSA (m2/g) | dBET (nm) | Density (g/cc) | Silanol content (mmol OH/g) | SiOx (x) | Si-OH/SiO Ratio | |
---|---|---|---|---|---|---|---|---|---|---|
 | WetChem SiO2 | N/A | N/A | N/A | 500a | 4.9 | 2.4 ± 0.0 | 5.9 ± 0.0a | 2.11 ± 0.01 | 0.65 ± 0.09 |
Cold Silica | FSP SiO2–5/5 | 0.5 | 5/5 | 10.9 | 152 | 15.4 | 2.6 ± 0.1 | 6.1 ± 0.1 | 2.01 ± 0.01 | 0.45 ± 0.06 |
FSP SiO2−3/5 | 0.8 | 3/5 | 8.9 | 186a | 14.7a | 2.2 ± 0.0 | 5.2 ± 0.1a | 2.17 ± 0.01 | 0.43 ± 0.06 | |
FSP SiO2−4/5 | 0.8 | 4/5 | 10.1 | 217a | 12.6a | 2.2 ± 0.0 | 4.8 ± 0.1a | 2.17 ± 0.04 | 0.35 ± 0.05 | |
Hot Silica | FSP SiO2−9/3 | 0.8 | 9/3 | 16.6 | 217a | 12.6a | 2.2 ± 0.0 | 2.0 ± 0.1a | 2.06 ± 0.05 | 0.13 ± 0.02 |
FSP SiO2−11/3 | 0.8 | 11/3 | 17.8 | 186a | 14.7a | 2.2 ± 0.0 | 1.6 ± 0.1a | 2.11 ± 0.05 | 0.11 ± 0.01 | |
 | Comm. fumed SiO2 | N/A | N/A | N/A | 206a | 9.0a | 3.2 ± 0.1 | 0.7 ± 0.0a | 2.02 ± 0.04 | 0.07 ± 0.01 |