| 简介 |
A silica-based material comprising : silicon; aluminum; at least one fourth period element selected from the group consisting of iron, cobalt, nickel and zinc; and at least one basic element selected from the group consisting of alkali metal elements, alkali earth metal elements and rare earth elements, wherein the silica-based material comprises 42 to 90 mol% of the silicon, 3 to 38 mol% of the aluminum, 0.5 to 20 mol% of the fourth period element and 2 to 38 mol% of the basic element, based on a total mole of the silicon, the aluminum, the fourth period element and the basic element. |
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