饮用富含亚硝酸盐的水，可使人引起高铁血红蛋白血症、中毒甚至死亡，近年来对其间接致癌作用报道也较多。人们已注意寻找有效地降低水中亚硝酸盐的方法，有人曾试用磺基水杨酸经水体曝气降低水中亚硝酸盐[1]，但效果欠佳。笔者用氟澳异氰尿酸清除水中亚硝酸盐[2]，取得了满意? Drinking water rich in nitrite, can cause methemoglobinemia, poisoning and even death, in recent years, its indirect carcinogenic effects are also reported. People have been looking for ways to effectively reduce the nitrites in water. Some people have tried to reduce nitrous acid in water by aeration with sulfosalicylic acid [1], but the effect is not good. I use fluorine-isocyanuric acid to remove water nitrite [2], and achieved satisfactory?