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使用砷铈接触法，对新乡地区３０８ 份饮用水碘含量进行了测定。结果显示，不同地区饮用水碘含量差异显著，最高值８７４ｕｇ／ｌ，最低值为０ｕｇ／ｌ。西北部太行山区及其近临地区水碘含量均＜ １０ｕｇ／ｌ，发现东部低洼平原有高碘地区（ ＞ ３００ｕｇ／ｌ） 存在。认为水碘含量不同地区， Ｉ Ｄ Ｄ 防治应采取不同措施。
Using arsenic-cerium contact method, the iodine content of 308 drinking water in Xinxiang area was measured. The results showed that there was significant difference in iodine content of drinking water in different areas with the highest value of 874ug / l and the lowest value of 0ug / l. The water iodine content in the Taihang Mountains and its immediate vicinity in the northwestern part of the country is less than 10ug / l, and high iodine (> 300ug / l) is found in the eastern low-lying plain. I think different water iodine content areas, IDD prevention and treatment should take different measures.