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防治IDD最普遍的方法是为病区人群提供碘盐。KI碘盐易于加工,但碘易逃散,防治效果较差;KIO_2化学性质稳定,易于保存,防治效果好,为国内外所推荐的碘化物,但由于KIO_3颗粒大,吸水性和水溶性差,加工的碘盐合格率低(40～50%)。为提高其质量,将KIO_3≥40日粉碎后进行干法加工(粉碎干法),试验性生产合格率高达81.69%,明显高于不粉碎(干法)的KIO_3碘盐(p<0.01)。10年共生产各种碘盐128204t,现将加工厂的两种碘盐质量及其防治效果的10年监测结果报告如下:
The most common way to combat IDD is to provide iodized salt for the ward population. KI iodine salt is easy to process, but iodine easy to escape, control effect is poor; KIO_2 chemical stability, easy to save, control effect is recommended for iodide at home and abroad, but due to KIO_3 particle size, water absorption and water solubility, processing Of the iodized salt pass rate is low (40 ~ 50%). In order to improve its quality, KIO_3≥40 days after immersion treatment was added to dry (crushed dry method), the experimental production pass rate as high as 81.69%, significantly higher than the non-crushed (dry method) KIO_3 iodized salt (p <0.01). 10 years produced a total of 128204t various iodized salt, the processing plant is now two kinds of iodized salt quality and its control effect of 10-year monitoring results are reported as follows: