The present invention provides a silver based inorganic antibacterial agent excellent in heat resistance and chemical resistance, lowered in resin coloring and excellent in processability. The present invention has been completed by finding out that problems can be solved by a silver ion-containing zirconium phosphate represented by the following general formula (1) which is produced by a wet synthesis under specific production conditions. €ƒ€ƒ€ƒ€ƒ€ƒ€ƒ€ƒ€ƒAg s Na b H c (H 3 O) d Zr e Hf f (PO 4 ) 3 ·nH 2 O€ƒ€ƒ€ƒ€ƒ€ƒ(1) wherein, in the formula (1), a, b, c, d, e and f are positive numbers satisfying 1.75(e+f)2.25 and a+b+c+d+4(e+f)=9; and n is not more than 2.
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机译：本发明提供了耐热性和耐化学药品性优异，树脂着色降低，加工性优异的银系无机抗菌剂。通过发现可以通过以下通式（1）表示的含银离子的磷酸锆解决问题，从而完成了本发明，该通式在特定的生产条件下通过湿法合成来生产。Ag s Na b H c（H 3 O）d Zr e Hf f（PO 4）3·nH 2 OAg （1）其中，在式（1）中，a，b，c，d，e和f为满足1.75 ＜（e + f）＜2.25且a + b + c + d + 4（e + f）＝ 9的正数。 ; n不大于2。
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