磷酸盐类防锈剂是一种可用于生活饮用水和公共场所二次供水及洗浴、游泳池用水的一种防锈剂。防锈剂在铁质给水管道内壁表面形成一种隔离膜 ,使水不直接与铁质溶解 ;使用时需不断地加入水中 ,才具有修复隔离膜能力 ,故长期存在水中 ,因此是否引起水质污染 ,造成人体健康危害 , Phosphate rust inhibitor is a kind of anti-rust agent that can be used for drinking water and public places, secondary water supply and bathing, swimming pool water. Antirust agent in the iron feed pipe wall surface to form a kind of isolation film, so that water does not directly dissolve with iron; use must be continuously added to the water before they have the ability to repair the isolation film, so long-term existence of water, and therefore cause water pollution , Causing human health hazards,