申请人:KAO CORPORATION
公开号:EP0400641A1
公开(公告)日:1990-12-05
A colloidal solution comprises a fluoride(s) being difficultly soluble in water comprises colloidal particles of the fluoride having a particle size of 0.005 to 1 micron, said fluoride having a fluoride ion concentration of 1 to 10,000 ppm in the state of saturation.
一种由难溶于水的氟化物组成的胶体溶液包含粒径为 0.005 至 1 微米的氟化物胶体颗粒,所述氟化物在饱和状态下的氟离子浓度为 1 至 10,000 ppm。