Silica Particle | Chem. Comp. | % Purity | S.A. (m2/g)a | Mean size (μm)b | Particles/mg | Source |
---|---|---|---|---|---|---|
Cristobalite | SiO2 | *95.5 ± 0.03 | 5.1 | 2.16 ± 2.00 | - | C&E Mineral Corp, King of Prussia, PA |
Amorphous | SiO2 | > 99 | 2.2 | 3.55 ± 0.45 | 20.33 × 106 | University of Vermont, Dept. of Chemistry |