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发明名称
氟化亚锡的制备
摘要
氟化亚锡是一种优良的牙齿防蛀剂,能有效地防治牙斑病和牙龈炎,广泛地用于牙膏和漱口液中,经其处理过的牙齿表面硬度和耐磨性均增加。但它不能直接由金属和氢氟酸制取,而可以用锡粉置换CuF<SUB>2</SUB>间接制备:Sn+CuF<SUB>2</SUB>→SnF<SUB>2</SUB>+Cu↓该法操作简便、产率高、产品纯,也无环境污染,可以很方便地实现工业规模生产。
申请公布号
CN1141884A
申请公布日期
1997.02.05
申请号
CN95108060.1
申请日期
1995.07.11
申请人
尚士清
发明人
尚士清
分类号
C01G19/04
主分类号
C01G19/04
代理机构
代理人
主权项
1本法是以取代法制备氟化亚锡。其特征是按反应式:进行。
地址
江苏省无锡市盛岸一村29号503室
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