PMID: 16535838Mar 16, 2006Paper

Study on the present status of the areas with high iodine concentration in drinking water and edible salt at household levels in Ohio of Yellow River

Wei sheng yan jiu = Journal of hygiene research
Xiao-wei GuoXin Wang

Abstract

To understand the present condition of iodine excess areas and edible salt at household levels in Ohio of Yellow River,which will provide the evidence to control it. A cross section in one time was adopted for the epidemiological survey based on the east, west, south, north and central in all of townships from 8 counties. 2 samples of drinking water from each village were tested their water iodine content as well as the data regarding to their recourses and the depth of wells. 5 samples of edible salt were collected from each village for quantitative analysis. We investigated 451 villages in 92 townships of 8 counties. 800 samples of drinking water were tested which values of iodine content were (110.93 +/- 152.26) microg/L in main, 55.83 microg/L (0.84 - 997.82 microg/L) in medium. 102.39 thousand population are at risk for iodine excess and living in 24 townships of 7 counties where iodine concentration is over 150 microg/L in drinking water, with (327.72 +/- 192.19) microg/L in mean value or 253.87 microg/L (150.78 - 997.82 microg/L) in medium. The rate of iodized salt is 97.2%. All the iodine excess areas are located in alluvial plain of Yellow River. The etiology of high iodine in shallow well water may be supposed to be i...Continue Reading

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