火焰吸收光谱法测定表面活性剂中微量钠离子

Determination of Trace Sodium Ions in Surfactants by Flame Absorption Spectrometry

介绍了一种火焰吸收光谱法测定表面活性剂中微量钠离子的方法,该方法采用德国耶拿火焰-石墨炉原子吸收光谱仪、钠元素空心阴极灯、空气-乙炔型火焰来测定表面活性剂中微量钠离子。结果表明:回收率可达99.40%~101.39%,相对标准偏差RSD小于1%,方法操作简单,且设备属于分析常用设备,同时此方法有良好的精密度和准确度。

A method for the determination of trace sodium ions in surfactants by flame absorption spectrometry was introduced.Jena flame graphite furnace atomic absorption spectrometer,sodium hollow cathode lamp and air acetylene flame were used to determine trace sodium ions in surfactants.The experimental results showed that,the recovery was 99.40%~101.39%,and the relative standard deviation was less than 1%.The method is simple to operate,and the equipment belongs to the common equipment for analysis.At the same time,this method has good precision and accuracy.