| 摘要 |
An alumina porous body has a porosity of 15 to 45% and an average pore size of 2 to 15μm includes 5 to 30 mass % of titanium oxide and at least one element selected from the group consisting of copper, manganese, calcium, and strontium, the total content of oxides of the at least one element being 1.5 mass % or less.
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