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一杯法测定饮用水中氟化物丹阳市卫生防疫站岳红娣马吉良氟化物广泛存在于自然界中,天然水中的氟化物含量一般为0.2~0.5mg/L,高氟地区的地下水可达2~5mg/L。人体长期摄入过多的氟化物引起牙斑釉和氟骨症,而摄入的氟不足则产生龋齿等疾患。所以,氟化...
Determination of fluoride in drinking water by a cup method Danyang City Health and Epidemic Prevention Station Yue Hongdi Maggiine fluoride is widely found in nature, the fluoride content in natural water is generally 0.2 ~ 0.5mg / L, groundwater in high-fluoride areas up to 2 ~ 5mg / L. Long-term human intake of fluoride caused dental plaque glaze and skeletal fluorosis, while the intake of fluoride is the production of dental caries and other diseases. So, fluoridation ...