达州市2013年生活饮用水碘含量监测结果分析

Analysis of the monitoring results of iodine content in drinking water in Dazhou city in 2013

目的了解我市饮用水中的碘含量。方法在各县(市、区)级政府所在地的市政管网末梢水和农村饮用水采样,按国家碘缺乏病参照实验室推荐方法 -砷铈催化分光度法检测。结果全市2013年7个县(市、区)共采水样203份,其中农村饮用水35份,市政管网末梢水168份。市政管网末梢水碘含量中位数,达川区最高,5.78ug/L,万源市最低,0.71ug/L,差异有统计学意义(P<0.01);全市农村饮用水水样35份,碘含量中位数达川区最高,5.23ug/L。万源市最低,0.78ug/L,差异有统计学意义(P<0.05)。结论达州市2013年市政管网末梢水和农村饮用水碘含量均低于10ug/L。属国家碘缺乏病病区。

Objective To get the situation of iodine content in drinking water from the city of Dazhou. Methods Water samples included municipal tap water and rural potable water from the county urban district of Dazhou, and the method-Arsenic cerium catalytic spectrophotometry detection recommended by National Iodine Deficiency Disorders Reference Laboratory was used in our experiment. Results 203 drinking water samples were collected from seven counties including 35 rural potable water and 168 tap water of municipal pipe network in 2013. The highest median iodine content of tap water of municipal tap water from Dachuan area was 5.78 μg/L, the minimum value was 0.71μ g/L from Wanyuan city, the difference was statistically significant （ P 〈0.05）. Conclusion The iodine levels of tap water of municipal pipe network and rural potable water in Dazhou was lower than 10 μg/ L. Dazhou belongs to iodine deficiency disorders area.