摘要
用氟离子选择性电极法测定16种牙膏中游离氟的含量。结果表明:双氟牙膏中氟含量高于单氟牙膏。测定回收率为98.63%~104.00%,变异系数为3.83%。
he content of free fluoine In l6 different toothbrush determined by Fluorine Ion-Selec-tive electrode. The resultsshowed that content of free fluorine in double fluorine toothbrush higher than content of fluorine in alone fluorine toothbrush.
出处
《微量元素与健康研究》
CAS
1996年第1期60-61,共2页
Studies of Trace Elements and Health
关键词
氟离子选择性
游离氟
牙膏
测定
电极法
Fluorine Ion-Selective Electrode
Toothbrush
Free fluorine