Fluoride content and distribution pattern in groundwater of eastern Yunnan and western Guizhou, China |
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Authors: | Kunli Luo Yonglin Liu Huijie Li |
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Institution: | (1) Institute of Geographic Sciences and Natural Resources Research, Chinese Academy of Sciences, Beijing, 100101, China;(2) Graduate School of the Chinese Academy of Sciences, Beijing, 100049, China |
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Abstract: | For study, the fluoride (F) content and distribution pattern in groundwater of eastern Yunnan and western Guizhou fluorosis
area in southwestern China, the F content of 93 water samples groundwater (fissure water, cool spring, and hot springs),
rivers water] and 60 rock samples were measured. The result shows the F content of the fissure water and cold spring water
is 0.027–0.47 mg/L, and river water is 0.048–0.224 mg/L. The F content of hot spring water is 1.02–6.907 mg/L. The drinking
water supplied for local resident is mainly from fissure water, cool spring, and river water. And the F content in all of
them is much lower than the Chinese National Standard (1.0 mg/L), which is the safe intake of F in drinking water. The infected
people in eastern Yunnan and western Guizhou fluorosis area have very little F intake from the drinking water. The hot spring
water in fluorosis area of eastern Yunnan and western Guizhou, southwest China has high F content, which is not suitable for
drinking. |
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Keywords: | |
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