Oxalic Acid → Zirconium phosphate

関与物質

反応手順

Oxalic acid is added to an aqueous solution of zirconium oxynitrate and sodium nitrate with stirring and phosphoric acid is further added thereto. This is adjusted to a pH of 3.5 with aqueous sodium hydroxide solution and is refluxed under heating for 78 hours and the precipitate is subjected to filtration, washing with water, drying and grinding to obtain zirconium phosphate [NaZr2 (PO4)3 ] of network structure. This zirconium phosphate is immersed in an aqueous solution containing an antimicrobial metal at a suitable concentration to obtain the phosphate of the present invention which has network structure.

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