反应详情

That is, an oxychloride having a tetravalent metal such as zirconium, titanium or tin as a constituent element, for example, zirconium oxychloride, titanium oxychloride or tin oxychloride is added to a concentrated aqueous phosphoric acid solution, and after refluxing under heating for 24 hours, the precipitate is subjected to filtration, washing with water, drying and grinding to obtain a phosphate such as zirconium phosphate [Zr(HPO4)2.H2O]. This phosphate is immersed in an aqueous solution which contains an antimicrobial metal at a suitable concentration, thereby to obtain the phsophate of the present invention.

1. temperatureafter refluxing
2. temperatureunder heating for 24 hours
3. filtrationthe precipitate is subjected to filtration
4. washwashing with water
5. customdrying
6. customgrinding