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用ＨＰＬＣ法测定糖浆剂中苯甲酸的含量。６个批号的糖浆剂测定结果表明，本法快速、准确、灵敏度高，回收率达到９８％以上。
The HPLC method was used to determine the amount of benzoic acid in the syrup. The results of six batches of syrup indicate that the method is rapid, accurate, and highly sensitive, with a recovery rate of more than 98%.