呼和浩特地区饮水井中砷氟的筛查结果分析

The Analysis for Screening Results of the Arsenic and Fluorine Content in Drinking Water in Huhhot

目的了解掌握呼和浩特地区水砷水氟含量分布情况。方法水砷含量检测采用二乙氨基二硫代甲酸银分光光度法,水氟含量测定采用氟离子选择电极法进行。结果三个旗县909个村庄水砷含量超标率为14.19%,水氟含量超标率为30.25%,砷氟同时超标的占4.95%;改水工程水砷含量超标率为13.25%,水氟含量超标率为23.15%,砷氟同时超标的占3.19%。结论呼和浩特地区地方性砷中毒、地方性氟中毒流行状况依然十分严峻,改水工程的质量有待进一步提高。

Objective To understanding and know well arsenic and fluorine content distributed situation. Methods The arsenic content in drinking water was determined by DDC - Ag. The fluorine content was determined by the fluoride selective ion electrode. Results There are 14. 19% arsenic content and 30. 25% fluorine content beyond national standard in 909 villages, the arsenic and fluorine content simultaneously exceeds the allowed figure accounts for 4.95%. There are 13.25% arsenic content and 23. 15% fluorine content in drinking water improving project beyond national standard, the arsenic and fluorine content simultaneously exceeds the allowed figure accounts for 3. 19%. Conclusion The arsenism and fluorosis popular condition extremely are still stem, improving project the quality pending further to enhance.