| http://www.w3.org/ns/prov#value | - In the production method of the double-coated red phosphorus (2), the inorganic substance for coating the red phosphorus particles in the step (B2) is a metallic hydroxide or oxide of at least one selected from for example Zn, Al, Mg, Si, Co, Zr, Ti and Sn, and the red phosphorus particles are desirably coated with metallic hydroxide or oxide of Al, Al???Co, Al???Ti or Al???Zr.
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