| abstract |
A method of fabricating an ultraporous SiO 2 containing gel monoliths having a predetermined mean pore size with narrow distribution of the size of the pores around the mean. A SiO 2 containing sol is prepared while simultaneously controlling and preselecting the temperature, time and nature of aging solution, and drying the resultant gel to obtain an ultraporous SiO 2 containing monolith having a predetermined mean pore size from about 10 Å to about 400 Å with narrow distribution of the size of pores around the mean and the resultant article. |