| 摘要 |
PROBLEM TO BE SOLVED: To effectively utilize natural black clay. SOLUTION: A mineral composition comprises a mixture of a powder of natural black clay and a powder of a negatively charged mineral. This mineral composition has excellent absorbability with respect to various gases, especially, hydrogen sulfide gas and a sheet material containing this mineral composition and suitable for use in a wall material, a carpet, diaper, a filter or the like can be provided.
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