文章改进了药学专业中萃取实验所使用的萃取剂，通过比较四氯化碳、无味煤油、乙酸乙酯作为萃取剂萃取碘的实验，发现无味煤油的萃取效果明显，实验成本较低，对环境的污染较小并且能达到预期的教学目标。%The improved the pharmacy used extractant in the extraction experiments, by comparing the carbon tetrachloride, odorless kerosene, ethyl and acetate as extraction solvent extraction iodine experiments and found that the extraction of odorless kerosene was effective, less experimental cost, less environmental pollution and can achieve the desired teaching objectives.
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