Objective 39 kinds of main food on the market in Harbin City were determined using ashing method in order to deduce the iodine intake of adult in Harbin city.

• 目的测定哈尔滨市城区居民39种主要食品的碘含量，从而推断哈尔滨市居民人均每日每人从饮食中摄入碘的量。