单氟磷酸钠

单氟磷酸钠制备新工艺研究

Study on new technology of preparation sodium monofluorophosphate

离子色谱法测定单氟磷酸钠

Determination of sodium monofluorophosphate by ion chromatography

本文对上海市托儿所2～3岁儿童作含单氟磷酸钠和氟化钠的双氟牙膏的临床防龋效果研究。实验对象分为3组：第l组为实验组，用双氟牙膏刷牙；

Anti-caries effect of dentifrice containing sodium monofluorophosphate and sodium fluoride was studied among 2-3 years OLD nursery children .

重点介绍了采用氟离子选择电极法测定牙膏工业用单氟磷酸钠含量的分析方法

The determination of sodium monofluorophosphate used in toothpaste industry by

单氟磷酸钠具有重要的应用价值。

Problems existed in sodium monofluorophosphate utilization are analysied and development proposals are given .

结论采用冷酸解离-氟离子电极法测定单氟磷酸钠与钙类摩擦剂配伍的含氟牙膏中的总氟含量，具有准确可靠、简便易行的优点。

Conclusion The amount of total fluoride in the calcium containing toothpaste can be detected simply and accurately measured by acid diffusion and fluoride selective electrode .

利用磷酸与碳酸钠反应生成中间产物，将此中间产物与氟化钠混合后在高温下反应生成单氟磷酸钠。

The sodium monofluorophosphate is prepared by the reaction of the intermediate and sodium fluoride at high temperature , in which the intermediate is formed by the reaction of phosphoric acid and sodium carbonate .