氟离子选择电极法反向测定净水剂中三氧化二铝含量重庆涪陵市卫生防疫站（６４８０００）郑青川基层单位测定净水剂中Ａｌ２Ｏ３时，常采用滴定法，方法繁琐，结果重复性不好，并且铝在空气乙炔焰中极易生成难离解的铝氧化物而不适于火焰原子吸收分析。为此，我们利用Ｆ－... Fluoride ion selective electrode method reverse determination of aluminum oxide content of water purification agent Chongqing Fuling Health and Epidemic Prevention Station (648000) Zheng Qingchuan grass-roots units of water purification agent determination of Al2O3, the titration method is often used, the method cumbersome, the result is not reproducible Good, and aluminum in the air acetylene flame easily generate dissociative aluminum oxide and not suitable for flame atomic absorption analysis. For this, we use F -...