Abstract
A spatial quantitative combination seek-different model of hydrology geochemistry elements was applied for the quantitative analysis of underground water elements in Shuangliao endemic fluorosis area, Jilin province, China. According to main factors analysis, chemical types plots of underground water, and distributions of endemic fluorosis area, the results indicated there was an obvious positive correlation between F- and NO2-, F- and K+, which showed no endemic fluorosis in this area; while there was a weak negative correlation between Cl-, NO3-, Ca2+, Mg2+, and F-. HCO3- and Na+ performed a strong positive correlation between HCO3- and Na+, but showed a negative correlation with F-, which suggested a low incidence in this area. This result was probably due to a lot of Ca2+, Mg2+ cation in water, which had an antagonism effect on F-, and the concentration of F- was relative low. The effect of endemic fluorosis under chemical conditions of underground water was contributed to the comprehensive effect of antagonism and synergism.
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