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碘化钾碘盐的碘容易升华或挥发；碘酸钾碘盐化学性质稳定，为国内外所推崇[1]。笔者从1991年初开始，将23份KIO3碘盐以散装在自然条件下存放历时54个月，经18次检验，结果报告如下。1材料与方法1.1碘酸钾：重庆建新化工厂生产，方校牌颗粒状，加工碘盐前粉碎40目密封待用。1．2
Iodized potassium iodide salt is easy to sublimation or volatile iodine salt iodized salt chemical stability, highly respected at home and abroad [1]. The author from the beginning of 1991, the 23 KIO3 iodized salt in bulk storage in natural conditions lasted 54 months, after 18 tests, the results reported below. 1 Materials and Methods 1.1 Potassium Iodate: Chongqing Jianxin Chemical Factory production, square calibration tablets, processing salt iodized 40 mesh seal stand-by. 1.2