| abstract |
In a metal-free silica porous body, there is provided a porous silica capable of effectively deodorizing odors such as methyl mercaptan, hydrogen sulfide, and nonenal, which are difficult to deodorize. As a porous silica including particles having primary pores formed therein, the particles include a metal-containing material having a particle size of 1 to 100 nm, and a specific surface area of 500 m 2 /g or more is provided. |