碘化铋 是一种化学品，分子式是BiI3，用作分析试剂，也用于生物碱或其他碱类的检验。
经磷钼酸和碘化铋钾薄层显色表明抗生素粗品中有含氮化合物。
TLC spray reagents of phosphorus molybdenum acid and bismuth potassium iodide indicated that it maybe contained the composition of alkaloids.
方法：采用了薄层扫描法，以苯-丙酮-醋酸乙酯-浓氨试液（2∶3∶4∶0.2）为展开剂，稀碘化铋钾试液为显色剂；
Method:Thin layer scan used benzene-acetone-ethel acetate-strong ammonia solution(2:3:4:0.2) as a dose, diluted iodized bismuth potassium solution Hin color agent for;
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