食用碘盐是预防碘缺乏病的最经济、简便、行之有效的方法。消费者在购买碘盐时如何鉴别真假呢?可将买来的盐取一点撒在淀粉或切开的土豆上,盐变成浅紫色的,就是碘盐。颜色的深浅说明含碘量的多少,颜色越深,含碘量越高。碘盐中的碘酸钾是相对不稳定的化合物,受热、日晒及风吹后 Iodized salt is the most economical, simple and effective method to prevent iodine deficiency disorders. Consumers in the purchase of iodized salt, how to distinguish between true and false it? Can buy a little salt sprinkled on starch or cut potatoes, salt into light purple, is iodized salt. The depth of color shows how much iodine content, the deeper the color, the higher the iodine content. Potassium iodate in iodized salt is a relatively unstable compound, after the heat, sun and wind blowing