Table 1. Amount of Reagents Used in a “Standard” Synthesis of Silica rodsa.
| component | amount | amount (moles) |
|---|---|---|
| pentanol | 10.0 mL | 92 mmol |
| PVP | 1.0 g | 25 μmol |
| ethanol | 1.0 mL | 17.4 mmol |
| water | 0.280 mL | 15.5 mmol |
| sodium citrate (0.17 M) | 0.067 mL | 11.4 μmol sodium citrate, 3.7 mmol water |
| ammonia (25%) | 0.225 mL | 1.7 mmol ammonia, 9.4 mmol water |
| TEOS | 0.10 mL | 0.45 mmol |
After the addition of TEOS, the reaction was continued for 24 h.