离子色谱法测定环境空气中可溶性氟化物含量

Determination of the Soluble Fluoride Content in Air by Ion Chromatography

通过离子色谱法测定环境空气中氟化物的含量,建立一套环境中可溶性氟化物含量的检测方法。该方法检出限为0.083μg.m-l 1,线性相关系数r=0.9999,精密度的RSD为1.864%,平均回收率为97.5%。与同类检测方法相比,该方法具有灵敏度高,选择性好,操作简单,节省时间等特点,可以为环境中氟化物的监测提供参考。

Ion chromatography is used to determinate the soluble fluoride content in air.The effects of the pickling liquid,wash liquid and ultrasonic cleaning time on the result are discussed.The detected limit of this method is 0.083μg·m^-1.Linear correlation coefficient is 0.9998.RSD is 1.86%.The average recovery is 97.5%.The advantages of this method are high sensitivity,high selectivity,simple operation,saving time,etc.This method can provide a reference for determination of fluoride in ambient air samples.